Home / 96,064.14-132,569.79-55,781.10

Finding the Fourth Proportional to 96,064.14, 132,569.79 and 55,781.10

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Solution

The fourth proportional to 96,064.14, 132,569.79 and 55,781.10 is: 76,978.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,064.14 : 132,569.79 = 55,781.10 : x
  2. Step 2: Convert to fraction form
    96,064.14/132,569.79 = 55,781.10/x
  3. Step 3: Cross multiply
    96,064.14x = 132,569.79 × 55,781.10
  4. Step 4: Simplify right side
    96,064.14x = 7,394,888,712.97
  5. Step 5: Solve for x
    x = 7,394,888,712.97/96,064.14
  6. Step 6: Final answer
    x = 76,978.66

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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.