Home / 89,400.04-123,374.12-49,116.30

Finding the Fourth Proportional to 89,400.04, 123,374.12 and 49,116.30

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Solution

The fourth proportional to 89,400.04, 123,374.12 and 49,116.30 is: 67,781.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,400.04 : 123,374.12 = 49,116.30 : x
  2. Step 2: Convert to fraction form
    89,400.04/123,374.12 = 49,116.30/x
  3. Step 3: Cross multiply
    89,400.04x = 123,374.12 × 49,116.30
  4. Step 4: Simplify right side
    89,400.04x = 6,059,680,290.16
  5. Step 5: Solve for x
    x = 6,059,680,290.16/89,400.04
  6. Step 6: Final answer
    x = 67,781.63

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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.