Home / 83,736.93-125,711.97-54,278.04

Finding the Fourth Proportional to 83,736.93, 125,711.97 and 54,278.04

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Solution

The fourth proportional to 83,736.93, 125,711.97 and 54,278.04 is: 81,486.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,736.93 : 125,711.97 = 54,278.04 : x
  2. Step 2: Convert to fraction form
    83,736.93/125,711.97 = 54,278.04/x
  3. Step 3: Cross multiply
    83,736.93x = 125,711.97 × 54,278.04
  4. Step 4: Simplify right side
    83,736.93x = 6,823,399,336.14
  5. Step 5: Solve for x
    x = 6,823,399,336.14/83,736.93
  6. Step 6: Final answer
    x = 81,486.14

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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.