Home / 72,934.15-109,401.23-23,018.13

Finding the Fourth Proportional to 72,934.15, 109,401.23 and 23,018.13

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Solution

The fourth proportional to 72,934.15, 109,401.23 and 23,018.13 is: 34,527.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,934.15 : 109,401.23 = 23,018.13 : x
  2. Step 2: Convert to fraction form
    72,934.15/109,401.23 = 23,018.13/x
  3. Step 3: Cross multiply
    72,934.15x = 109,401.23 × 23,018.13
  4. Step 4: Simplify right side
    72,934.15x = 2,518,211,734.30
  5. Step 5: Solve for x
    x = 2,518,211,734.30/72,934.15
  6. Step 6: Final answer
    x = 34,527.20

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Half scale
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Double scale
Find fourth proportional to 72,935.15, 109,402.73 and 23,019.13
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.