Home / 63,744.11-87,874.66-42,197.76

Finding the Fourth Proportional to 63,744.11, 87,874.66 and 42,197.76

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Solution

The fourth proportional to 63,744.11, 87,874.66 and 42,197.76 is: 58,171.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,744.11 : 87,874.66 = 42,197.76 : x
  2. Step 2: Convert to fraction form
    63,744.11/87,874.66 = 42,197.76/x
  3. Step 3: Cross multiply
    63,744.11x = 87,874.66 × 42,197.76
  4. Step 4: Simplify right side
    63,744.11x = 3,708,113,162.40
  5. Step 5: Solve for x
    x = 3,708,113,162.40/63,744.11
  6. Step 6: Final answer
    x = 58,171.86

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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.