Home / 80,376.36-120,581.40-24,220.56

Finding the Fourth Proportional to 80,376.36, 120,581.40 and 24,220.56

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Solution

The fourth proportional to 80,376.36, 120,581.40 and 24,220.56 is: 36,335.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,376.36 : 120,581.40 = 24,220.56 : x
  2. Step 2: Convert to fraction form
    80,376.36/120,581.40 = 24,220.56/x
  3. Step 3: Cross multiply
    80,376.36x = 120,581.40 × 24,220.56
  4. Step 4: Simplify right side
    80,376.36x = 2,920,549,033.58
  5. Step 5: Solve for x
    x = 2,920,549,033.58/80,376.36
  6. Step 6: Final answer
    x = 36,335.92

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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.