Home / 117,680.74-162,401.25-63,965.88

Finding the Fourth Proportional to 117,680.74, 162,401.25 and 63,965.88

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Solution

The fourth proportional to 117,680.74, 162,401.25 and 63,965.88 is: 88,273.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,680.74 : 162,401.25 = 63,965.88 : x
  2. Step 2: Convert to fraction form
    117,680.74/162,401.25 = 63,965.88/x
  3. Step 3: Cross multiply
    117,680.74x = 162,401.25 × 63,965.88
  4. Step 4: Simplify right side
    117,680.74x = 10,388,138,869.35
  5. Step 5: Solve for x
    x = 10,388,138,869.35/117,680.74
  6. Step 6: Final answer
    x = 88,273.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.