Home / 52,542.22-78,810.12-17,002.78

Finding the Fourth Proportional to 52,542.22, 78,810.12 and 17,002.78

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Solution

The fourth proportional to 52,542.22, 78,810.12 and 17,002.78 is: 25,503.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,542.22 : 78,810.12 = 17,002.78 : x
  2. Step 2: Convert to fraction form
    52,542.22/78,810.12 = 17,002.78/x
  3. Step 3: Cross multiply
    52,542.22x = 78,810.12 × 17,002.78
  4. Step 4: Simplify right side
    52,542.22x = 1,339,991,132.13
  5. Step 5: Solve for x
    x = 1,339,991,132.13/52,542.22
  6. Step 6: Final answer
    x = 25,503.13

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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.