Home / 84,916.75-127,375.12-38,114.95

Finding the Fourth Proportional to 84,916.75, 127,375.12 and 38,114.95

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Solution

The fourth proportional to 84,916.75, 127,375.12 and 38,114.95 is: 57,172.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,916.75 : 127,375.12 = 38,114.95 : x
  2. Step 2: Convert to fraction form
    84,916.75/127,375.12 = 38,114.95/x
  3. Step 3: Cross multiply
    84,916.75x = 127,375.12 × 38,114.95
  4. Step 4: Simplify right side
    84,916.75x = 4,854,895,502.59
  5. Step 5: Solve for x
    x = 4,854,895,502.59/84,916.75
  6. Step 6: Final answer
    x = 57,172.42

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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.