Home / 82,638.11-114,040.14-44,912.36

Finding the Fourth Proportional to 82,638.11, 114,040.14 and 44,912.36

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Solution

The fourth proportional to 82,638.11, 114,040.14 and 44,912.36 is: 61,978.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,638.11 : 114,040.14 = 44,912.36 : x
  2. Step 2: Convert to fraction form
    82,638.11/114,040.14 = 44,912.36/x
  3. Step 3: Cross multiply
    82,638.11x = 114,040.14 × 44,912.36
  4. Step 4: Simplify right side
    82,638.11x = 5,121,811,251.93
  5. Step 5: Solve for x
    x = 5,121,811,251.93/82,638.11
  6. Step 6: Final answer
    x = 61,978.81

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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.