Home / 90,401.27-124,753.17-50,115.02

Finding the Fourth Proportional to 90,401.27, 124,753.17 and 50,115.02

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Solution

The fourth proportional to 90,401.27, 124,753.17 and 50,115.02 is: 69,158.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,401.27 : 124,753.17 = 50,115.02 : x
  2. Step 2: Convert to fraction form
    90,401.27/124,753.17 = 50,115.02/x
  3. Step 3: Cross multiply
    90,401.27x = 124,753.17 × 50,115.02
  4. Step 4: Simplify right side
    90,401.27x = 6,252,007,359.04
  5. Step 5: Solve for x
    x = 6,252,007,359.04/90,401.27
  6. Step 6: Final answer
    x = 69,158.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.