Home / 90,302.43-124,605.09-50,006.28

Finding the Fourth Proportional to 90,302.43, 124,605.09 and 50,006.28

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Solution

The fourth proportional to 90,302.43, 124,605.09 and 50,006.28 is: 69,001.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,302.43 : 124,605.09 = 50,006.28 : x
  2. Step 2: Convert to fraction form
    90,302.43/124,605.09 = 50,006.28/x
  3. Step 3: Cross multiply
    90,302.43x = 124,605.09 × 50,006.28
  4. Step 4: Simplify right side
    90,302.43x = 6,231,037,019.97
  5. Step 5: Solve for x
    x = 6,231,037,019.97/90,302.43
  6. Step 6: Final answer
    x = 69,001.88

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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.