Home / 84,726.73-117,044.55-67,708.66

Finding the Fourth Proportional to 84,726.73, 117,044.55 and 67,708.66

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Solution

The fourth proportional to 84,726.73, 117,044.55 and 67,708.66 is: 93,535.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,726.73 : 117,044.55 = 67,708.66 : x
  2. Step 2: Convert to fraction form
    84,726.73/117,044.55 = 67,708.66/x
  3. Step 3: Cross multiply
    84,726.73x = 117,044.55 × 67,708.66
  4. Step 4: Simplify right side
    84,726.73x = 7,924,929,640.80
  5. Step 5: Solve for x
    x = 7,924,929,640.80/84,726.73
  6. Step 6: Final answer
    x = 93,535.18

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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.