Home / 115,661.24-173,509.13-36,778.04

Finding the Fourth Proportional to 115,661.24, 173,509.13 and 36,778.04

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Solution

The fourth proportional to 115,661.24, 173,509.13 and 36,778.04 is: 55,172.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,661.24 : 173,509.13 = 36,778.04 : x
  2. Step 2: Convert to fraction form
    115,661.24/173,509.13 = 36,778.04/x
  3. Step 3: Cross multiply
    115,661.24x = 173,509.13 × 36,778.04
  4. Step 4: Simplify right side
    115,661.24x = 6,381,324,947.90
  5. Step 5: Solve for x
    x = 6,381,324,947.90/115,661.24
  6. Step 6: Final answer
    x = 55,172.55

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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.