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Finding the Fourth Proportional to 83,252.95, 124,897.88 and 38,855.49

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Solution

The fourth proportional to 83,252.95, 124,897.88 and 38,855.49 is: 58,291.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,252.95 : 124,897.88 = 38,855.49 : x
  2. Step 2: Convert to fraction form
    83,252.95/124,897.88 = 38,855.49/x
  3. Step 3: Cross multiply
    83,252.95x = 124,897.88 × 38,855.49
  4. Step 4: Simplify right side
    83,252.95x = 4,852,968,327.36
  5. Step 5: Solve for x
    x = 4,852,968,327.36/83,252.95
  6. Step 6: Final answer
    x = 58,291.85

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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.