Home / 84,545.64-126,817.92-25,381.08

Finding the Fourth Proportional to 84,545.64, 126,817.92 and 25,381.08

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Solution

The fourth proportional to 84,545.64, 126,817.92 and 25,381.08 is: 38,071.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,545.64 : 126,817.92 = 25,381.08 : x
  2. Step 2: Convert to fraction form
    84,545.64/126,817.92 = 25,381.08/x
  3. Step 3: Cross multiply
    84,545.64x = 126,817.92 × 25,381.08
  4. Step 4: Simplify right side
    84,545.64x = 3,218,775,772.95
  5. Step 5: Solve for x
    x = 3,218,775,772.95/84,545.64
  6. Step 6: Final answer
    x = 38,071.46

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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.