Home / 63,422.14-87,515.49-35,120.74

Finding the Fourth Proportional to 63,422.14, 87,515.49 and 35,120.74

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Solution

The fourth proportional to 63,422.14, 87,515.49 and 35,120.74 is: 48,462.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,422.14 : 87,515.49 = 35,120.74 : x
  2. Step 2: Convert to fraction form
    63,422.14/87,515.49 = 35,120.74/x
  3. Step 3: Cross multiply
    63,422.14x = 87,515.49 × 35,120.74
  4. Step 4: Simplify right side
    63,422.14x = 3,073,608,770.26
  5. Step 5: Solve for x
    x = 3,073,608,770.26/63,422.14
  6. Step 6: Final answer
    x = 48,462.71

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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.