Home / 63,720.25-87,934.05-35,425.95

Finding the Fourth Proportional to 63,720.25, 87,934.05 and 35,425.95

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Solution

The fourth proportional to 63,720.25, 87,934.05 and 35,425.95 is: 48,887.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,720.25 : 87,934.05 = 35,425.95 : x
  2. Step 2: Convert to fraction form
    63,720.25/87,934.05 = 35,425.95/x
  3. Step 3: Cross multiply
    63,720.25x = 87,934.05 × 35,425.95
  4. Step 4: Simplify right side
    63,720.25x = 3,115,147,258.60
  5. Step 5: Solve for x
    x = 3,115,147,258.60/63,720.25
  6. Step 6: Final answer
    x = 48,887.87

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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.