Home / 117,974.43-176,979.72-39,107.16

Finding the Fourth Proportional to 117,974.43, 176,979.72 and 39,107.16

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Solution

The fourth proportional to 117,974.43, 176,979.72 and 39,107.16 is: 58,666.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,974.43 : 176,979.72 = 39,107.16 : x
  2. Step 2: Convert to fraction form
    117,974.43/176,979.72 = 39,107.16/x
  3. Step 3: Cross multiply
    117,974.43x = 176,979.72 × 39,107.16
  4. Step 4: Simplify right side
    117,974.43x = 6,921,174,226.80
  5. Step 5: Solve for x
    x = 6,921,174,226.80/117,974.43
  6. Step 6: Final answer
    x = 58,666.73

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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.