Home / 83,591.30-125,290.37-38,518.43

Finding the Fourth Proportional to 83,591.30, 125,290.37 and 38,518.43

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Solution

The fourth proportional to 83,591.30, 125,290.37 and 38,518.43 is: 57,733.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,591.30 : 125,290.37 = 38,518.43 : x
  2. Step 2: Convert to fraction form
    83,591.30/125,290.37 = 38,518.43/x
  3. Step 3: Cross multiply
    83,591.30x = 125,290.37 × 38,518.43
  4. Step 4: Simplify right side
    83,591.30x = 4,825,988,611.60
  5. Step 5: Solve for x
    x = 4,825,988,611.60/83,591.30
  6. Step 6: Final answer
    x = 57,733.14

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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.