Home / 72,951.46-109,427.20-56,335.72

Finding the Fourth Proportional to 72,951.46, 109,427.20 and 56,335.72

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Solution

The fourth proportional to 72,951.46, 109,427.20 and 56,335.72 is: 84,503.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,951.46 : 109,427.20 = 56,335.72 : x
  2. Step 2: Convert to fraction form
    72,951.46/109,427.20 = 56,335.72/x
  3. Step 3: Cross multiply
    72,951.46x = 109,427.20 × 56,335.72
  4. Step 4: Simplify right side
    72,951.46x = 6,164,660,099.58
  5. Step 5: Solve for x
    x = 6,164,660,099.58/72,951.46
  6. Step 6: Final answer
    x = 84,503.59

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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.