Home / 83,925.06-125,906.13-27,782.70

Finding the Fourth Proportional to 83,925.06, 125,906.13 and 27,782.70

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Solution

The fourth proportional to 83,925.06, 125,906.13 and 27,782.70 is: 41,680.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,925.06 : 125,906.13 = 27,782.70 : x
  2. Step 2: Convert to fraction form
    83,925.06/125,906.13 = 27,782.70/x
  3. Step 3: Cross multiply
    83,925.06x = 125,906.13 × 27,782.70
  4. Step 4: Simplify right side
    83,925.06x = 3,498,012,237.95
  5. Step 5: Solve for x
    x = 3,498,012,237.95/83,925.06
  6. Step 6: Final answer
    x = 41,680.19

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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.