Home / 88,119.41-132,174.45-54,391.82

Finding the Fourth Proportional to 88,119.41, 132,174.45 and 54,391.82

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Solution

The fourth proportional to 88,119.41, 132,174.45 and 54,391.82 is: 81,584.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,119.41 : 132,174.45 = 54,391.82 : x
  2. Step 2: Convert to fraction form
    88,119.41/132,174.45 = 54,391.82/x
  3. Step 3: Cross multiply
    88,119.41x = 132,174.45 × 54,391.82
  4. Step 4: Simplify right side
    88,119.41x = 7,189,208,232.13
  5. Step 5: Solve for x
    x = 7,189,208,232.13/88,119.41
  6. Step 6: Final answer
    x = 81,584.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.