Home / 101,921.28-140,660.16-59,493.44

Finding the Fourth Proportional to 101,921.28, 140,660.16 and 59,493.44

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Solution

The fourth proportional to 101,921.28, 140,660.16 and 59,493.44 is: 82,106.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,921.28 : 140,660.16 = 59,493.44 : x
  2. Step 2: Convert to fraction form
    101,921.28/140,660.16 = 59,493.44/x
  3. Step 3: Cross multiply
    101,921.28x = 140,660.16 × 59,493.44
  4. Step 4: Simplify right side
    101,921.28x = 8,368,356,789.35
  5. Step 5: Solve for x
    x = 8,368,356,789.35/101,921.28
  6. Step 6: Final answer
    x = 82,106.08

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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.