Home / 83,605.24-115,375.20-47,796.01

Finding the Fourth Proportional to 83,605.24, 115,375.20 and 47,796.01

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Solution

The fourth proportional to 83,605.24, 115,375.20 and 47,796.01 is: 65,958.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,605.24 : 115,375.20 = 47,796.01 : x
  2. Step 2: Convert to fraction form
    83,605.24/115,375.20 = 47,796.01/x
  3. Step 3: Cross multiply
    83,605.24x = 115,375.20 × 47,796.01
  4. Step 4: Simplify right side
    83,605.24x = 5,514,474,212.95
  5. Step 5: Solve for x
    x = 5,514,474,212.95/83,605.24
  6. Step 6: Final answer
    x = 65,958.48

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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.