Home / 83,715.90-125,591.15-27,559.38

Finding the Fourth Proportional to 83,715.90, 125,591.15 and 27,559.38

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Solution

The fourth proportional to 83,715.90, 125,591.15 and 27,559.38 is: 41,344.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,715.90 : 125,591.15 = 27,559.38 : x
  2. Step 2: Convert to fraction form
    83,715.90/125,591.15 = 27,559.38/x
  3. Step 3: Cross multiply
    83,715.90x = 125,591.15 × 27,559.38
  4. Step 4: Simplify right side
    83,715.90x = 3,461,213,722.07
  5. Step 5: Solve for x
    x = 3,461,213,722.07/83,715.90
  6. Step 6: Final answer
    x = 41,344.76

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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.