Home / 52,321.28-78,437.68-22,716.72

Finding the Fourth Proportional to 52,321.28, 78,437.68 and 22,716.72

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Solution

The fourth proportional to 52,321.28, 78,437.68 and 22,716.72 is: 34,055.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,321.28 : 78,437.68 = 22,716.72 : x
  2. Step 2: Convert to fraction form
    52,321.28/78,437.68 = 22,716.72/x
  3. Step 3: Cross multiply
    52,321.28x = 78,437.68 × 22,716.72
  4. Step 4: Simplify right side
    52,321.28x = 1,781,846,814.01
  5. Step 5: Solve for x
    x = 1,781,846,814.01/52,321.28
  6. Step 6: Final answer
    x = 34,055.87

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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.