Home / 52,315.20-78,424.92-22,722.39

Finding the Fourth Proportional to 52,315.20, 78,424.92 and 22,722.39

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Solution

The fourth proportional to 52,315.20, 78,424.92 and 22,722.39 is: 34,062.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,315.20 : 78,424.92 = 22,722.39 : x
  2. Step 2: Convert to fraction form
    52,315.20/78,424.92 = 22,722.39/x
  3. Step 3: Cross multiply
    52,315.20x = 78,424.92 × 22,722.39
  4. Step 4: Simplify right side
    52,315.20x = 1,782,001,617.96
  5. Step 5: Solve for x
    x = 1,782,001,617.96/52,315.20
  6. Step 6: Final answer
    x = 34,062.79

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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.