Home / 72,925.20-109,169.10-43,327.80

Finding the Fourth Proportional to 72,925.20, 109,169.10 and 43,327.80

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Solution

The fourth proportional to 72,925.20, 109,169.10 and 43,327.80 is: 64,861.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,925.20 : 109,169.10 = 43,327.80 : x
  2. Step 2: Convert to fraction form
    72,925.20/109,169.10 = 43,327.80/x
  3. Step 3: Cross multiply
    72,925.20x = 109,169.10 × 43,327.80
  4. Step 4: Simplify right side
    72,925.20x = 4,730,056,930.98
  5. Step 5: Solve for x
    x = 4,730,056,930.98/72,925.20
  6. Step 6: Final answer
    x = 64,861.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.