Home / 48,401.38-72,616.65-15,120.10

Finding the Fourth Proportional to 48,401.38, 72,616.65 and 15,120.10

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Solution

The fourth proportional to 48,401.38, 72,616.65 and 15,120.10 is: 22,684.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,401.38 : 72,616.65 = 15,120.10 : x
  2. Step 2: Convert to fraction form
    48,401.38/72,616.65 = 15,120.10/x
  3. Step 3: Cross multiply
    48,401.38x = 72,616.65 × 15,120.10
  4. Step 4: Simplify right side
    48,401.38x = 1,097,971,009.67
  5. Step 5: Solve for x
    x = 1,097,971,009.67/48,401.38
  6. Step 6: Final answer
    x = 22,684.70

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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.