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Finding the Fourth Proportional to 95,395.50, 131,657.94 and 57,669.75

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Solution

The fourth proportional to 95,395.50, 131,657.94 and 57,669.75 is: 79,591.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,395.50 : 131,657.94 = 57,669.75 : x
  2. Step 2: Convert to fraction form
    95,395.50/131,657.94 = 57,669.75/x
  3. Step 3: Cross multiply
    95,395.50x = 131,657.94 × 57,669.75
  4. Step 4: Simplify right side
    95,395.50x = 7,592,680,485.32
  5. Step 5: Solve for x
    x = 7,592,680,485.32/95,395.50
  6. Step 6: Final answer
    x = 79,591.60

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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.