Home / 115,382.56-173,095.20-36,516.64

Finding the Fourth Proportional to 115,382.56, 173,095.20 and 36,516.64

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Solution

The fourth proportional to 115,382.56, 173,095.20 and 36,516.64 is: 54,781.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,382.56 : 173,095.20 = 36,516.64 : x
  2. Step 2: Convert to fraction form
    115,382.56/173,095.20 = 36,516.64/x
  3. Step 3: Cross multiply
    115,382.56x = 173,095.20 × 36,516.64
  4. Step 4: Simplify right side
    115,382.56x = 6,320,855,104.13
  5. Step 5: Solve for x
    x = 6,320,855,104.13/115,382.56
  6. Step 6: Final answer
    x = 54,781.72

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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.