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Finding the Fourth Proportional to 89,127.34, 133,691.01 and 21,659.01

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Solution

The fourth proportional to 89,127.34, 133,691.01 and 21,659.01 is: 32,488.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,127.34 : 133,691.01 = 21,659.01 : x
  2. Step 2: Convert to fraction form
    89,127.34/133,691.01 = 21,659.01/x
  3. Step 3: Cross multiply
    89,127.34x = 133,691.01 × 21,659.01
  4. Step 4: Simplify right side
    89,127.34x = 2,895,614,922.50
  5. Step 5: Solve for x
    x = 2,895,614,922.50/89,127.34
  6. Step 6: Final answer
    x = 32,488.52

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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.