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Finding the Fourth Proportional to 80,338, 120,549.02 and 58,333.14

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Solution

The fourth proportional to 80,338, 120,549.02 and 58,333.14 is: 87,530.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,338 : 120,549.02 = 58,333.14 : x
  2. Step 2: Convert to fraction form
    80,338/120,549.02 = 58,333.14/x
  3. Step 3: Cross multiply
    80,338x = 120,549.02 × 58,333.14
  4. Step 4: Simplify right side
    80,338x = 7,032,002,860.52
  5. Step 5: Solve for x
    x = 7,032,002,860.52/80,338
  6. Step 6: Final answer
    x = 87,530.22

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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.