Home / 88,376.27-132,564.41-72,761.09

Finding the Fourth Proportional to 88,376.27, 132,564.41 and 72,761.09

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Solution

The fourth proportional to 88,376.27, 132,564.41 and 72,761.09 is: 109,141.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,376.27 : 132,564.41 = 72,761.09 : x
  2. Step 2: Convert to fraction form
    88,376.27/132,564.41 = 72,761.09/x
  3. Step 3: Cross multiply
    88,376.27x = 132,564.41 × 72,761.09
  4. Step 4: Simplify right side
    88,376.27x = 9,645,530,603.00
  5. Step 5: Solve for x
    x = 9,645,530,603.00/88,376.27
  6. Step 6: Final answer
    x = 109,141.64

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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.