Home / 172,055.25-258,082.92-53,736.75

Finding the Fourth Proportional to 172,055.25, 258,082.92 and 53,736.75

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Solution

The fourth proportional to 172,055.25, 258,082.92 and 53,736.75 is: 80,605.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,055.25 : 258,082.92 = 53,736.75 : x
  2. Step 2: Convert to fraction form
    172,055.25/258,082.92 = 53,736.75/x
  3. Step 3: Cross multiply
    172,055.25x = 258,082.92 × 53,736.75
  4. Step 4: Simplify right side
    172,055.25x = 13,868,537,351.31
  5. Step 5: Solve for x
    x = 13,868,537,351.31/172,055.25
  6. Step 6: Final answer
    x = 80,605.14

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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.