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Finding the Fourth Proportional to 60,633.60, 90,966.84 and 23,173.95

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Solution

The fourth proportional to 60,633.60, 90,966.84 and 23,173.95 is: 34,767.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,633.60 : 90,966.84 = 23,173.95 : x
  2. Step 2: Convert to fraction form
    60,633.60/90,966.84 = 23,173.95/x
  3. Step 3: Cross multiply
    60,633.60x = 90,966.84 × 23,173.95
  4. Step 4: Simplify right side
    60,633.60x = 2,108,061,001.82
  5. Step 5: Solve for x
    x = 2,108,061,001.82/60,633.60
  6. Step 6: Final answer
    x = 34,767.21

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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.