Home / 115,382.20-173,085.45-47,906.57

Finding the Fourth Proportional to 115,382.20, 173,085.45 and 47,906.57

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Solution

The fourth proportional to 115,382.20, 173,085.45 and 47,906.57 is: 71,864.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,382.20 : 173,085.45 = 47,906.57 : x
  2. Step 2: Convert to fraction form
    115,382.20/173,085.45 = 47,906.57/x
  3. Step 3: Cross multiply
    115,382.20x = 173,085.45 × 47,906.57
  4. Step 4: Simplify right side
    115,382.20x = 8,291,930,226.41
  5. Step 5: Solve for x
    x = 8,291,930,226.41/115,382.20
  6. Step 6: Final answer
    x = 71,864.90

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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.