Home / 117,660.78-176,351.04-54,392.22

Finding the Fourth Proportional to 117,660.78, 176,351.04 and 54,392.22

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Solution

The fourth proportional to 117,660.78, 176,351.04 and 54,392.22 is: 81,523.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,660.78 : 176,351.04 = 54,392.22 : x
  2. Step 2: Convert to fraction form
    117,660.78/176,351.04 = 54,392.22/x
  3. Step 3: Cross multiply
    117,660.78x = 176,351.04 × 54,392.22
  4. Step 4: Simplify right side
    117,660.78x = 9,592,124,564.91
  5. Step 5: Solve for x
    x = 9,592,124,564.91/117,660.78
  6. Step 6: Final answer
    x = 81,523.55

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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.