Home / 80,587.34-120,905.15-32,531.20

Finding the Fourth Proportional to 80,587.34, 120,905.15 and 32,531.20

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Solution

The fourth proportional to 80,587.34, 120,905.15 and 32,531.20 is: 48,806.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,587.34 : 120,905.15 = 32,531.20 : x
  2. Step 2: Convert to fraction form
    80,587.34/120,905.15 = 32,531.20/x
  3. Step 3: Cross multiply
    80,587.34x = 120,905.15 × 32,531.20
  4. Step 4: Simplify right side
    80,587.34x = 3,933,189,615.68
  5. Step 5: Solve for x
    x = 3,933,189,615.68/80,587.34
  6. Step 6: Final answer
    x = 48,806.54

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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.