Home / 52,318.14-78,489.51-17,257.80

Finding the Fourth Proportional to 52,318.14, 78,489.51 and 17,257.80

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Solution

The fourth proportional to 52,318.14, 78,489.51 and 17,257.80 is: 25,890.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,318.14 : 78,489.51 = 17,257.80 : x
  2. Step 2: Convert to fraction form
    52,318.14/78,489.51 = 17,257.80/x
  3. Step 3: Cross multiply
    52,318.14x = 78,489.51 × 17,257.80
  4. Step 4: Simplify right side
    52,318.14x = 1,354,556,265.68
  5. Step 5: Solve for x
    x = 1,354,556,265.68/52,318.14
  6. Step 6: Final answer
    x = 25,890.76

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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.