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Finding the Fourth Proportional to 89,129.88, 133,692.30 and 29,968.92

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Solution

The fourth proportional to 89,129.88, 133,692.30 and 29,968.92 is: 44,952.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,129.88 : 133,692.30 = 29,968.92 : x
  2. Step 2: Convert to fraction form
    89,129.88/133,692.30 = 29,968.92/x
  3. Step 3: Cross multiply
    89,129.88x = 133,692.30 × 29,968.92
  4. Step 4: Simplify right side
    89,129.88x = 4,006,613,843.32
  5. Step 5: Solve for x
    x = 4,006,613,843.32/89,129.88
  6. Step 6: Final answer
    x = 44,952.53

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1.5x scale

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.