Home / 83,862.92-125,795.66-21,532.04

Finding the Fourth Proportional to 83,862.92, 125,795.66 and 21,532.04

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Solution

The fourth proportional to 83,862.92, 125,795.66 and 21,532.04 is: 32,298.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,862.92 : 125,795.66 = 21,532.04 : x
  2. Step 2: Convert to fraction form
    83,862.92/125,795.66 = 21,532.04/x
  3. Step 3: Cross multiply
    83,862.92x = 125,795.66 × 21,532.04
  4. Step 4: Simplify right side
    83,862.92x = 2,708,637,182.95
  5. Step 5: Solve for x
    x = 2,708,637,182.95/83,862.92
  6. Step 6: Final answer
    x = 32,298.39

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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.