Home / 76,764.99-115,098.03-32,379.87

Finding the Fourth Proportional to 76,764.99, 115,098.03 and 32,379.87

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Solution

The fourth proportional to 76,764.99, 115,098.03 and 32,379.87 is: 48,548.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,764.99 : 115,098.03 = 32,379.87 : x
  2. Step 2: Convert to fraction form
    76,764.99/115,098.03 = 32,379.87/x
  3. Step 3: Cross multiply
    76,764.99x = 115,098.03 × 32,379.87
  4. Step 4: Simplify right side
    76,764.99x = 3,726,859,248.66
  5. Step 5: Solve for x
    x = 3,726,859,248.66/76,764.99
  6. Step 6: Final answer
    x = 48,548.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.