Home / 88,419.73-132,628.38-38,498.76

Finding the Fourth Proportional to 88,419.73, 132,628.38 and 38,498.76

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Solution

The fourth proportional to 88,419.73, 132,628.38 and 38,498.76 is: 57,747.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,419.73 : 132,628.38 = 38,498.76 : x
  2. Step 2: Convert to fraction form
    88,419.73/132,628.38 = 38,498.76/x
  3. Step 3: Cross multiply
    88,419.73x = 132,628.38 × 38,498.76
  4. Step 4: Simplify right side
    88,419.73x = 5,106,028,170.81
  5. Step 5: Solve for x
    x = 5,106,028,170.81/88,419.73
  6. Step 6: Final answer
    x = 57,747.61

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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.