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Finding the Fourth Proportional to 60,385, 90,600.54 and 23,451.88

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Solution

The fourth proportional to 60,385, 90,600.54 and 23,451.88 is: 35,186.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,385 : 90,600.54 = 23,451.88 : x
  2. Step 2: Convert to fraction form
    60,385/90,600.54 = 23,451.88/x
  3. Step 3: Cross multiply
    60,385x = 90,600.54 × 23,451.88
  4. Step 4: Simplify right side
    60,385x = 2,124,752,992.02
  5. Step 5: Solve for x
    x = 2,124,752,992.02/60,385
  6. Step 6: Final answer
    x = 35,186.77

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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.