Home / 76,696.48-114,947.79-34,531.66

Finding the Fourth Proportional to 76,696.48, 114,947.79 and 34,531.66

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Solution

The fourth proportional to 76,696.48, 114,947.79 and 34,531.66 is: 51,753.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,696.48 : 114,947.79 = 34,531.66 : x
  2. Step 2: Convert to fraction form
    76,696.48/114,947.79 = 34,531.66/x
  3. Step 3: Cross multiply
    76,696.48x = 114,947.79 × 34,531.66
  4. Step 4: Simplify right side
    76,696.48x = 3,969,338,002.03
  5. Step 5: Solve for x
    x = 3,969,338,002.03/76,696.48
  6. Step 6: Final answer
    x = 51,753.85

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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.