Home / 63,543.32-87,692.11-38,387.96

Finding the Fourth Proportional to 63,543.32, 87,692.11 and 38,387.96

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Solution

The fourth proportional to 63,543.32, 87,692.11 and 38,387.96 is: 52,976.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,543.32 : 87,692.11 = 38,387.96 : x
  2. Step 2: Convert to fraction form
    63,543.32/87,692.11 = 38,387.96/x
  3. Step 3: Cross multiply
    63,543.32x = 87,692.11 × 38,387.96
  4. Step 4: Simplify right side
    63,543.32x = 3,366,320,676.57
  5. Step 5: Solve for x
    x = 3,366,320,676.57/63,543.32
  6. Step 6: Final answer
    x = 52,976.79

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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.