Home / 88,419.76-132,629.56-26,085.36

Finding the Fourth Proportional to 88,419.76, 132,629.56 and 26,085.36

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Solution

The fourth proportional to 88,419.76, 132,629.56 and 26,085.36 is: 39,128.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,419.76 : 132,629.56 = 26,085.36 : x
  2. Step 2: Convert to fraction form
    88,419.76/132,629.56 = 26,085.36/x
  3. Step 3: Cross multiply
    88,419.76x = 132,629.56 × 26,085.36
  4. Step 4: Simplify right side
    88,419.76x = 3,459,689,819.24
  5. Step 5: Solve for x
    x = 3,459,689,819.24/88,419.76
  6. Step 6: Final answer
    x = 39,128.02

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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.