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Finding the Fourth Proportional to 95,076, 131,198.40 and 52,632

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Solution

The fourth proportional to 95,076, 131,198.40 and 52,632 is: 72,628.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,076 : 131,198.40 = 52,632 : x
  2. Step 2: Convert to fraction form
    95,076/131,198.40 = 52,632/x
  3. Step 3: Cross multiply
    95,076x = 131,198.40 × 52,632
  4. Step 4: Simplify right side
    95,076x = 6,905,234,188.80
  5. Step 5: Solve for x
    x = 6,905,234,188.80/95,076
  6. Step 6: Final answer
    x = 72,628.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.