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Finding the Fourth Proportional to 88,663, 133,019.50 and 36,110.20

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Solution

The fourth proportional to 88,663, 133,019.50 and 36,110.20 is: 54,175.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,663 : 133,019.50 = 36,110.20 : x
  2. Step 2: Convert to fraction form
    88,663/133,019.50 = 36,110.20/x
  3. Step 3: Cross multiply
    88,663x = 133,019.50 × 36,110.20
  4. Step 4: Simplify right side
    88,663x = 4,803,360,748.90
  5. Step 5: Solve for x
    x = 4,803,360,748.90/88,663
  6. Step 6: Final answer
    x = 54,175.48

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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.