Home / 117,844.38-162,628.70-64,132.88

Finding the Fourth Proportional to 117,844.38, 162,628.70 and 64,132.88

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Solution

The fourth proportional to 117,844.38, 162,628.70 and 64,132.88 is: 88,505.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,844.38 : 162,628.70 = 64,132.88 : x
  2. Step 2: Convert to fraction form
    117,844.38/162,628.70 = 64,132.88/x
  3. Step 3: Cross multiply
    117,844.38x = 162,628.70 × 64,132.88
  4. Step 4: Simplify right side
    117,844.38x = 10,429,846,901.66
  5. Step 5: Solve for x
    x = 10,429,846,901.66/117,844.38
  6. Step 6: Final answer
    x = 88,505.25

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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.