Home / 88,343.24-132,512.79-28,371.60

Finding the Fourth Proportional to 88,343.24, 132,512.79 and 28,371.60

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Solution

The fourth proportional to 88,343.24, 132,512.79 and 28,371.60 is: 42,556.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,343.24 : 132,512.79 = 28,371.60 : x
  2. Step 2: Convert to fraction form
    88,343.24/132,512.79 = 28,371.60/x
  3. Step 3: Cross multiply
    88,343.24x = 132,512.79 × 28,371.60
  4. Step 4: Simplify right side
    88,343.24x = 3,759,599,872.76
  5. Step 5: Solve for x
    x = 3,759,599,872.76/88,343.24
  6. Step 6: Final answer
    x = 42,556.74

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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.