Home / 93,713.20-129,327.40-53,432.88

Finding the Fourth Proportional to 93,713.20, 129,327.40 and 53,432.88

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Solution

The fourth proportional to 93,713.20, 129,327.40 and 53,432.88 is: 73,739.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,713.20 : 129,327.40 = 53,432.88 : x
  2. Step 2: Convert to fraction form
    93,713.20/129,327.40 = 53,432.88/x
  3. Step 3: Cross multiply
    93,713.20x = 129,327.40 × 53,432.88
  4. Step 4: Simplify right side
    93,713.20x = 6,910,335,444.91
  5. Step 5: Solve for x
    x = 6,910,335,444.91/93,713.20
  6. Step 6: Final answer
    x = 73,739.19

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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.