Home / 63,074.89-87,049.25-47,131.66

Finding the Fourth Proportional to 63,074.89, 87,049.25 and 47,131.66

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Solution

The fourth proportional to 63,074.89, 87,049.25 and 47,131.66 is: 65,046.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,074.89 : 87,049.25 = 47,131.66 : x
  2. Step 2: Convert to fraction form
    63,074.89/87,049.25 = 47,131.66/x
  3. Step 3: Cross multiply
    63,074.89x = 87,049.25 × 47,131.66
  4. Step 4: Simplify right side
    63,074.89x = 4,102,775,654.26
  5. Step 5: Solve for x
    x = 4,102,775,654.26/63,074.89
  6. Step 6: Final answer
    x = 65,046.10

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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.