Home / 83,862.03-125,766.39-27,691.67

Finding the Fourth Proportional to 83,862.03, 125,766.39 and 27,691.67

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Solution

The fourth proportional to 83,862.03, 125,766.39 and 27,691.67 is: 41,528.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,862.03 : 125,766.39 = 27,691.67 : x
  2. Step 2: Convert to fraction form
    83,862.03/125,766.39 = 27,691.67/x
  3. Step 3: Cross multiply
    83,862.03x = 125,766.39 × 27,691.67
  4. Step 4: Simplify right side
    83,862.03x = 3,482,681,211.76
  5. Step 5: Solve for x
    x = 3,482,681,211.76/83,862.03
  6. Step 6: Final answer
    x = 41,528.70

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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.