Home / 80,325.14-120,516.40-48,799.52

Finding the Fourth Proportional to 80,325.14, 120,516.40 and 48,799.52

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Solution

The fourth proportional to 80,325.14, 120,516.40 and 48,799.52 is: 73,216.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,325.14 : 120,516.40 = 48,799.52 : x
  2. Step 2: Convert to fraction form
    80,325.14/120,516.40 = 48,799.52/x
  3. Step 3: Cross multiply
    80,325.14x = 120,516.40 × 48,799.52
  4. Step 4: Simplify right side
    80,325.14x = 5,881,142,472.13
  5. Step 5: Solve for x
    x = 5,881,142,472.13/80,325.14
  6. Step 6: Final answer
    x = 73,216.71

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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.