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Finding the Fourth Proportional to 85,614.75, 118,177.50 and 49,834.82

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Solution

The fourth proportional to 85,614.75, 118,177.50 and 49,834.82 is: 68,789.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,614.75 : 118,177.50 = 49,834.82 : x
  2. Step 2: Convert to fraction form
    85,614.75/118,177.50 = 49,834.82/x
  3. Step 3: Cross multiply
    85,614.75x = 118,177.50 × 49,834.82
  4. Step 4: Simplify right side
    85,614.75x = 5,889,354,440.55
  5. Step 5: Solve for x
    x = 5,889,354,440.55/85,614.75
  6. Step 6: Final answer
    x = 68,789.02

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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.