Home / 80,777.61-121,195.58-41,353.29

Finding the Fourth Proportional to 80,777.61, 121,195.58 and 41,353.29

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Solution

The fourth proportional to 80,777.61, 121,195.58 and 41,353.29 is: 62,044.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,777.61 : 121,195.58 = 41,353.29 : x
  2. Step 2: Convert to fraction form
    80,777.61/121,195.58 = 41,353.29/x
  3. Step 3: Cross multiply
    80,777.61x = 121,195.58 × 41,353.29
  4. Step 4: Simplify right side
    80,777.61x = 5,011,835,759.69
  5. Step 5: Solve for x
    x = 5,011,835,759.69/80,777.61
  6. Step 6: Final answer
    x = 62,044.86

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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.