Home / 52,321.29-78,481.94-15,385.29

Finding the Fourth Proportional to 52,321.29, 78,481.94 and 15,385.29

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Solution

The fourth proportional to 52,321.29, 78,481.94 and 15,385.29 is: 23,077.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,321.29 : 78,481.94 = 15,385.29 : x
  2. Step 2: Convert to fraction form
    52,321.29/78,481.94 = 15,385.29/x
  3. Step 3: Cross multiply
    52,321.29x = 78,481.94 × 15,385.29
  4. Step 4: Simplify right side
    52,321.29x = 1,207,467,563.43
  5. Step 5: Solve for x
    x = 1,207,467,563.43/52,321.29
  6. Step 6: Final answer
    x = 23,077.94

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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.