Home / 83,531.62-115,273.56-45,292.43

Finding the Fourth Proportional to 83,531.62, 115,273.56 and 45,292.43

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Solution

The fourth proportional to 83,531.62, 115,273.56 and 45,292.43 is: 62,503.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,531.62 : 115,273.56 = 45,292.43 : x
  2. Step 2: Convert to fraction form
    83,531.62/115,273.56 = 45,292.43/x
  3. Step 3: Cross multiply
    83,531.62x = 115,273.56 × 45,292.43
  4. Step 4: Simplify right side
    83,531.62x = 5,221,019,647.15
  5. Step 5: Solve for x
    x = 5,221,019,647.15/83,531.62
  6. Step 6: Final answer
    x = 62,503.51

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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.