Home / 101,601.11-140,278.03-63,418.82

Finding the Fourth Proportional to 101,601.11, 140,278.03 and 63,418.82

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Solution

The fourth proportional to 101,601.11, 140,278.03 and 63,418.82 is: 87,560.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,601.11 : 140,278.03 = 63,418.82 : x
  2. Step 2: Convert to fraction form
    101,601.11/140,278.03 = 63,418.82/x
  3. Step 3: Cross multiply
    101,601.11x = 140,278.03 × 63,418.82
  4. Step 4: Simplify right side
    101,601.11x = 8,896,266,274.59
  5. Step 5: Solve for x
    x = 8,896,266,274.59/101,601.11
  6. Step 6: Final answer
    x = 87,560.72

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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.