Home / 86,452.20-129,691.71-36,532.51

Finding the Fourth Proportional to 86,452.20, 129,691.71 and 36,532.51

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Solution

The fourth proportional to 86,452.20, 129,691.71 and 36,532.51 is: 54,804.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,452.20 : 129,691.71 = 36,532.51 : x
  2. Step 2: Convert to fraction form
    86,452.20/129,691.71 = 36,532.51/x
  3. Step 3: Cross multiply
    86,452.20x = 129,691.71 × 36,532.51
  4. Step 4: Simplify right side
    86,452.20x = 4,737,963,692.49
  5. Step 5: Solve for x
    x = 4,737,963,692.49/86,452.20
  6. Step 6: Final answer
    x = 54,804.43

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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.