Home / 63,910.78-88,195.11-35,615.74

Finding the Fourth Proportional to 63,910.78, 88,195.11 and 35,615.74

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Solution

The fourth proportional to 63,910.78, 88,195.11 and 35,615.74 is: 49,148.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,910.78 : 88,195.11 = 35,615.74 : x
  2. Step 2: Convert to fraction form
    63,910.78/88,195.11 = 35,615.74/x
  3. Step 3: Cross multiply
    63,910.78x = 88,195.11 × 35,615.74
  4. Step 4: Simplify right side
    63,910.78x = 3,141,134,107.03
  5. Step 5: Solve for x
    x = 3,141,134,107.03/63,910.78
  6. Step 6: Final answer
    x = 49,148.74

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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.