Home / 80,327.52-120,364.54-29,656.87

Finding the Fourth Proportional to 80,327.52, 120,364.54 and 29,656.87

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Solution

The fourth proportional to 80,327.52, 120,364.54 and 29,656.87 is: 44,438.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,327.52 : 120,364.54 = 29,656.87 : x
  2. Step 2: Convert to fraction form
    80,327.52/120,364.54 = 29,656.87/x
  3. Step 3: Cross multiply
    80,327.52x = 120,364.54 × 29,656.87
  4. Step 4: Simplify right side
    80,327.52x = 3,569,635,515.39
  5. Step 5: Solve for x
    x = 3,569,635,515.39/80,327.52
  6. Step 6: Final answer
    x = 44,438.51

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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.