Home / 63,929.70-88,221.15-35,634.78

Finding the Fourth Proportional to 63,929.70, 88,221.15 and 35,634.78

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Solution

The fourth proportional to 63,929.70, 88,221.15 and 35,634.78 is: 49,174.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,929.70 : 88,221.15 = 35,634.78 : x
  2. Step 2: Convert to fraction form
    63,929.70/88,221.15 = 35,634.78/x
  3. Step 3: Cross multiply
    63,929.70x = 88,221.15 × 35,634.78
  4. Step 4: Simplify right side
    63,929.70x = 3,143,741,271.60
  5. Step 5: Solve for x
    x = 3,143,741,271.60/63,929.70
  6. Step 6: Final answer
    x = 49,174.97

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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.