Home / 115,961.29-173,991.44-49,432.75

Finding the Fourth Proportional to 115,961.29, 173,991.44 and 49,432.75

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Solution

The fourth proportional to 115,961.29, 173,991.44 and 49,432.75 is: 74,170.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,961.29 : 173,991.44 = 49,432.75 : x
  2. Step 2: Convert to fraction form
    115,961.29/173,991.44 = 49,432.75/x
  3. Step 3: Cross multiply
    115,961.29x = 173,991.44 × 49,432.75
  4. Step 4: Simplify right side
    115,961.29x = 8,600,875,044.26
  5. Step 5: Solve for x
    x = 8,600,875,044.26/115,961.29
  6. Step 6: Final answer
    x = 74,170.23

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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.