Home / 80,223.50-120,263.78-38,077.58

Finding the Fourth Proportional to 80,223.50, 120,263.78 and 38,077.58

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Solution

The fourth proportional to 80,223.50, 120,263.78 and 38,077.58 is: 57,082.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,223.50 : 120,263.78 = 38,077.58 : x
  2. Step 2: Convert to fraction form
    80,223.50/120,263.78 = 38,077.58/x
  3. Step 3: Cross multiply
    80,223.50x = 120,263.78 × 38,077.58
  4. Step 4: Simplify right side
    80,223.50x = 4,579,353,704.05
  5. Step 5: Solve for x
    x = 4,579,353,704.05/80,223.50
  6. Step 6: Final answer
    x = 57,082.45

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.