Home / 83,761.20-115,589.12-46,034.64

Finding the Fourth Proportional to 83,761.20, 115,589.12 and 46,034.64

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Solution

The fourth proportional to 83,761.20, 115,589.12 and 46,034.64 is: 63,527.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,761.20 : 115,589.12 = 46,034.64 : x
  2. Step 2: Convert to fraction form
    83,761.20/115,589.12 = 46,034.64/x
  3. Step 3: Cross multiply
    83,761.20x = 115,589.12 × 46,034.64
  4. Step 4: Simplify right side
    83,761.20x = 5,321,103,296.94
  5. Step 5: Solve for x
    x = 5,321,103,296.94/83,761.20
  6. Step 6: Final answer
    x = 63,527.07

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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.