Home / 76,917.20-115,307.19-41,397.57

Finding the Fourth Proportional to 76,917.20, 115,307.19 and 41,397.57

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Solution

The fourth proportional to 76,917.20, 115,307.19 and 41,397.57 is: 62,059.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,917.20 : 115,307.19 = 41,397.57 : x
  2. Step 2: Convert to fraction form
    76,917.20/115,307.19 = 41,397.57/x
  3. Step 3: Cross multiply
    76,917.20x = 115,307.19 × 41,397.57
  4. Step 4: Simplify right side
    76,917.20x = 4,773,437,469.53
  5. Step 5: Solve for x
    x = 4,773,437,469.53/76,917.20
  6. Step 6: Final answer
    x = 62,059.43

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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.