Home / 45,085.52-67,530-25,353.92

Finding the Fourth Proportional to 45,085.52, 67,530 and 25,353.92

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Solution

The fourth proportional to 45,085.52, 67,530 and 25,353.92 is: 37,975.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,085.52 : 67,530 = 25,353.92 : x
  2. Step 2: Convert to fraction form
    45,085.52/67,530 = 25,353.92/x
  3. Step 3: Cross multiply
    45,085.52x = 67,530 × 25,353.92
  4. Step 4: Simplify right side
    45,085.52x = 1,712,150,217.60
  5. Step 5: Solve for x
    x = 1,712,150,217.60/45,085.52
  6. Step 6: Final answer
    x = 37,975.61

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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.