Home / 51,221.08-76,778.92-37,145.96

Finding the Fourth Proportional to 51,221.08, 76,778.92 and 37,145.96

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Solution

The fourth proportional to 51,221.08, 76,778.92 and 37,145.96 is: 55,680.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,221.08 : 76,778.92 = 37,145.96 : x
  2. Step 2: Convert to fraction form
    51,221.08/76,778.92 = 37,145.96/x
  3. Step 3: Cross multiply
    51,221.08x = 76,778.92 × 37,145.96
  4. Step 4: Simplify right side
    51,221.08x = 2,852,026,691.16
  5. Step 5: Solve for x
    x = 2,852,026,691.16/51,221.08
  6. Step 6: Final answer
    x = 55,680.72

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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.