Home / 83,442.49-125,218.04-36,103.79

Finding the Fourth Proportional to 83,442.49, 125,218.04 and 36,103.79

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Solution

The fourth proportional to 83,442.49, 125,218.04 and 36,103.79 is: 54,179.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,442.49 : 125,218.04 = 36,103.79 : x
  2. Step 2: Convert to fraction form
    83,442.49/125,218.04 = 36,103.79/x
  3. Step 3: Cross multiply
    83,442.49x = 125,218.04 × 36,103.79
  4. Step 4: Simplify right side
    83,442.49x = 4,520,845,952.90
  5. Step 5: Solve for x
    x = 4,520,845,952.90/83,442.49
  6. Step 6: Final answer
    x = 54,179.18

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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.