Home / 117,738.78-176,614.28-38,859.16

Finding the Fourth Proportional to 117,738.78, 176,614.28 and 38,859.16

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Solution

The fourth proportional to 117,738.78, 176,614.28 and 38,859.16 is: 58,290.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,738.78 : 176,614.28 = 38,859.16 : x
  2. Step 2: Convert to fraction form
    117,738.78/176,614.28 = 38,859.16/x
  3. Step 3: Cross multiply
    117,738.78x = 176,614.28 × 38,859.16
  4. Step 4: Simplify right side
    117,738.78x = 6,863,081,487.44
  5. Step 5: Solve for x
    x = 6,863,081,487.44/117,738.78
  6. Step 6: Final answer
    x = 58,290.75

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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.