Home / 80,098.97-120,145.76-37,999.22

Finding the Fourth Proportional to 80,098.97, 120,145.76 and 37,999.22

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Solution

The fourth proportional to 80,098.97, 120,145.76 and 37,999.22 is: 56,997.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,098.97 : 120,145.76 = 37,999.22 : x
  2. Step 2: Convert to fraction form
    80,098.97/120,145.76 = 37,999.22/x
  3. Step 3: Cross multiply
    80,098.97x = 120,145.76 × 37,999.22
  4. Step 4: Simplify right side
    80,098.97x = 4,565,444,976.31
  5. Step 5: Solve for x
    x = 4,565,444,976.31/80,098.97
  6. Step 6: Final answer
    x = 56,997.55

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1.5x scale

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.