Home / 80,052.22-120,099.08-42,581.44

Finding the Fourth Proportional to 80,052.22, 120,099.08 and 42,581.44

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Solution

The fourth proportional to 80,052.22, 120,099.08 and 42,581.44 is: 63,883.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,052.22 : 120,099.08 = 42,581.44 : x
  2. Step 2: Convert to fraction form
    80,052.22/120,099.08 = 42,581.44/x
  3. Step 3: Cross multiply
    80,052.22x = 120,099.08 × 42,581.44
  4. Step 4: Simplify right side
    80,052.22x = 5,113,991,769.08
  5. Step 5: Solve for x
    x = 5,113,991,769.08/80,052.22
  6. Step 6: Final answer
    x = 63,883.20

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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.