Home / 115,943.10-173,785.05-49,371.90

Finding the Fourth Proportional to 115,943.10, 173,785.05 and 49,371.90

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Solution

The fourth proportional to 115,943.10, 173,785.05 and 49,371.90 is: 74,002.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,943.10 : 173,785.05 = 49,371.90 : x
  2. Step 2: Convert to fraction form
    115,943.10/173,785.05 = 49,371.90/x
  3. Step 3: Cross multiply
    115,943.10x = 173,785.05 × 49,371.90
  4. Step 4: Simplify right side
    115,943.10x = 8,580,098,110.10
  5. Step 5: Solve for x
    x = 8,580,098,110.10/115,943.10
  6. Step 6: Final answer
    x = 74,002.66

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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.