Home / 90,037.27-124,253.96-49,753.65

Finding the Fourth Proportional to 90,037.27, 124,253.96 and 49,753.65

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Solution

The fourth proportional to 90,037.27, 124,253.96 and 49,753.65 is: 68,661.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,037.27 : 124,253.96 = 49,753.65 : x
  2. Step 2: Convert to fraction form
    90,037.27/124,253.96 = 49,753.65/x
  3. Step 3: Cross multiply
    90,037.27x = 124,253.96 × 49,753.65
  4. Step 4: Simplify right side
    90,037.27x = 6,182,088,036.95
  5. Step 5: Solve for x
    x = 6,182,088,036.95/90,037.27
  6. Step 6: Final answer
    x = 68,661.43

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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.