Home / 80,253.03-120,379.56-32,868.96

Finding the Fourth Proportional to 80,253.03, 120,379.56 and 32,868.96

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Solution

The fourth proportional to 80,253.03, 120,379.56 and 32,868.96 is: 49,303.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,253.03 : 120,379.56 = 32,868.96 : x
  2. Step 2: Convert to fraction form
    80,253.03/120,379.56 = 32,868.96/x
  3. Step 3: Cross multiply
    80,253.03x = 120,379.56 × 32,868.96
  4. Step 4: Simplify right side
    80,253.03x = 3,956,750,942.46
  5. Step 5: Solve for x
    x = 3,956,750,942.46/80,253.03
  6. Step 6: Final answer
    x = 49,303.45

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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.