Home / 80,282.40-120,424.08-32,923.44

Finding the Fourth Proportional to 80,282.40, 120,424.08 and 32,923.44

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Solution

The fourth proportional to 80,282.40, 120,424.08 and 32,923.44 is: 49,385.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,282.40 : 120,424.08 = 32,923.44 : x
  2. Step 2: Convert to fraction form
    80,282.40/120,424.08 = 32,923.44/x
  3. Step 3: Cross multiply
    80,282.40x = 120,424.08 × 32,923.44
  4. Step 4: Simplify right side
    80,282.40x = 3,964,774,972.44
  5. Step 5: Solve for x
    x = 3,964,774,972.44/80,282.40
  6. Step 6: Final answer
    x = 49,385.36

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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.