Home / 88,279.62-121,861.17-54,301.88

Finding the Fourth Proportional to 88,279.62, 121,861.17 and 54,301.88

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Solution

The fourth proportional to 88,279.62, 121,861.17 and 54,301.88 is: 74,958.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,279.62 : 121,861.17 = 54,301.88 : x
  2. Step 2: Convert to fraction form
    88,279.62/121,861.17 = 54,301.88/x
  3. Step 3: Cross multiply
    88,279.62x = 121,861.17 × 54,301.88
  4. Step 4: Simplify right side
    88,279.62x = 6,617,290,630.00
  5. Step 5: Solve for x
    x = 6,617,290,630.00/88,279.62
  6. Step 6: Final answer
    x = 74,958.30

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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.