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Finding the Fourth Proportional to 60,730.70, 83,808.50 and 33,872.52

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Solution

The fourth proportional to 60,730.70, 83,808.50 and 33,872.52 is: 46,744.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,730.70 : 83,808.50 = 33,872.52 : x
  2. Step 2: Convert to fraction form
    60,730.70/83,808.50 = 33,872.52/x
  3. Step 3: Cross multiply
    60,730.70x = 83,808.50 × 33,872.52
  4. Step 4: Simplify right side
    60,730.70x = 2,838,805,092.42
  5. Step 5: Solve for x
    x = 2,838,805,092.42/60,730.70
  6. Step 6: Final answer
    x = 46,744.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.