Home / 80,242.29-120,363.35-24,082.34

Finding the Fourth Proportional to 80,242.29, 120,363.35 and 24,082.34

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Solution

The fourth proportional to 80,242.29, 120,363.35 and 24,082.34 is: 36,123.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,242.29 : 120,363.35 = 24,082.34 : x
  2. Step 2: Convert to fraction form
    80,242.29/120,363.35 = 24,082.34/x
  3. Step 3: Cross multiply
    80,242.29x = 120,363.35 × 24,082.34
  4. Step 4: Simplify right side
    80,242.29x = 2,898,630,396.01
  5. Step 5: Solve for x
    x = 2,898,630,396.01/80,242.29
  6. Step 6: Final answer
    x = 36,123.48

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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.