Home / 72,951.47-109,427.17-56,335.73

Finding the Fourth Proportional to 72,951.47, 109,427.17 and 56,335.73

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Solution

The fourth proportional to 72,951.47, 109,427.17 and 56,335.73 is: 84,503.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,951.47 : 109,427.17 = 56,335.73 : x
  2. Step 2: Convert to fraction form
    72,951.47/109,427.17 = 56,335.73/x
  3. Step 3: Cross multiply
    72,951.47x = 109,427.17 × 56,335.73
  4. Step 4: Simplify right side
    72,951.47x = 6,164,659,503.78
  5. Step 5: Solve for x
    x = 6,164,659,503.78/72,951.47
  6. Step 6: Final answer
    x = 84,503.57

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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.