Home / 83,350.26-115,023.14-45,109.88

Finding the Fourth Proportional to 83,350.26, 115,023.14 and 45,109.88

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Solution

The fourth proportional to 83,350.26, 115,023.14 and 45,109.88 is: 62,251.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,350.26 : 115,023.14 = 45,109.88 : x
  2. Step 2: Convert to fraction form
    83,350.26/115,023.14 = 45,109.88/x
  3. Step 3: Cross multiply
    83,350.26x = 115,023.14 × 45,109.88
  4. Step 4: Simplify right side
    83,350.26x = 5,188,680,104.63
  5. Step 5: Solve for x
    x = 5,188,680,104.63/83,350.26
  6. Step 6: Final answer
    x = 62,251.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.