Home / 72,205.29-108,261.80-34,690.73

Finding the Fourth Proportional to 72,205.29, 108,261.80 and 34,690.73

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Solution

The fourth proportional to 72,205.29, 108,261.80 and 34,690.73 is: 52,013.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,205.29 : 108,261.80 = 34,690.73 : x
  2. Step 2: Convert to fraction form
    72,205.29/108,261.80 = 34,690.73/x
  3. Step 3: Cross multiply
    72,205.29x = 108,261.80 × 34,690.73
  4. Step 4: Simplify right side
    72,205.29x = 3,755,680,158.35
  5. Step 5: Solve for x
    x = 3,755,680,158.35/72,205.29
  6. Step 6: Final answer
    x = 52,013.92

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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.