Home / 83,540.48-125,279.87-36,162.45

Finding the Fourth Proportional to 83,540.48, 125,279.87 and 36,162.45

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Solution

The fourth proportional to 83,540.48, 125,279.87 and 36,162.45 is: 54,230.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,540.48 : 125,279.87 = 36,162.45 : x
  2. Step 2: Convert to fraction form
    83,540.48/125,279.87 = 36,162.45/x
  3. Step 3: Cross multiply
    83,540.48x = 125,279.87 × 36,162.45
  4. Step 4: Simplify right side
    83,540.48x = 4,530,426,854.07
  5. Step 5: Solve for x
    x = 4,530,426,854.07/83,540.48
  6. Step 6: Final answer
    x = 54,230.32

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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.