Home / 74,132.06-111,088.13-38,965.10

Finding the Fourth Proportional to 74,132.06, 111,088.13 and 38,965.10

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Solution

The fourth proportional to 74,132.06, 111,088.13 and 38,965.10 is: 58,389.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,132.06 : 111,088.13 = 38,965.10 : x
  2. Step 2: Convert to fraction form
    74,132.06/111,088.13 = 38,965.10/x
  3. Step 3: Cross multiply
    74,132.06x = 111,088.13 × 38,965.10
  4. Step 4: Simplify right side
    74,132.06x = 4,328,559,344.00
  5. Step 5: Solve for x
    x = 4,328,559,344.00/74,132.06
  6. Step 6: Final answer
    x = 58,389.85

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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.