Home / 52,077.29-78,099.80-18,793.13

Finding the Fourth Proportional to 52,077.29, 78,099.80 and 18,793.13

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Solution

The fourth proportional to 52,077.29, 78,099.80 and 18,793.13 is: 28,183.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,077.29 : 78,099.80 = 18,793.13 : x
  2. Step 2: Convert to fraction form
    52,077.29/78,099.80 = 18,793.13/x
  3. Step 3: Cross multiply
    52,077.29x = 78,099.80 × 18,793.13
  4. Step 4: Simplify right side
    52,077.29x = 1,467,739,209.91
  5. Step 5: Solve for x
    x = 1,467,739,209.91/52,077.29
  6. Step 6: Final answer
    x = 28,183.87

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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.