Home / 63,057.12-87,012.36-36,193.20

Finding the Fourth Proportional to 63,057.12, 87,012.36 and 36,193.20

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Solution

The fourth proportional to 63,057.12, 87,012.36 and 36,193.20 is: 49,942.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,057.12 : 87,012.36 = 36,193.20 : x
  2. Step 2: Convert to fraction form
    63,057.12/87,012.36 = 36,193.20/x
  3. Step 3: Cross multiply
    63,057.12x = 87,012.36 × 36,193.20
  4. Step 4: Simplify right side
    63,057.12x = 3,149,255,747.95
  5. Step 5: Solve for x
    x = 3,149,255,747.95/63,057.12
  6. Step 6: Final answer
    x = 49,942.90

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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.