Home / 90,397.65-124,740.92-51,635.30

Finding the Fourth Proportional to 90,397.65, 124,740.92 and 51,635.30

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Solution

The fourth proportional to 90,397.65, 124,740.92 and 51,635.30 is: 71,252.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,397.65 : 124,740.92 = 51,635.30 : x
  2. Step 2: Convert to fraction form
    90,397.65/124,740.92 = 51,635.30/x
  3. Step 3: Cross multiply
    90,397.65x = 124,740.92 × 51,635.30
  4. Step 4: Simplify right side
    90,397.65x = 6,441,033,944.59
  5. Step 5: Solve for x
    x = 6,441,033,944.59/90,397.65
  6. Step 6: Final answer
    x = 71,252.23

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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.