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Finding the Fourth Proportional to 83,293.91, 124,940.76 and 27,133.92

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Solution

The fourth proportional to 83,293.91, 124,940.76 and 27,133.92 is: 40,700.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,293.91 : 124,940.76 = 27,133.92 : x
  2. Step 2: Convert to fraction form
    83,293.91/124,940.76 = 27,133.92/x
  3. Step 3: Cross multiply
    83,293.91x = 124,940.76 × 27,133.92
  4. Step 4: Simplify right side
    83,293.91x = 3,390,132,586.58
  5. Step 5: Solve for x
    x = 3,390,132,586.58/83,293.91
  6. Step 6: Final answer
    x = 40,700.85

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1.5x scale

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.