Home / 88,536.96-132,818.40-33,120

Finding the Fourth Proportional to 88,536.96, 132,818.40 and 33,120

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Solution

The fourth proportional to 88,536.96, 132,818.40 and 33,120 is: 49,684.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,536.96 : 132,818.40 = 33,120 : x
  2. Step 2: Convert to fraction form
    88,536.96/132,818.40 = 33,120/x
  3. Step 3: Cross multiply
    88,536.96x = 132,818.40 × 33,120
  4. Step 4: Simplify right side
    88,536.96x = 4,398,945,408
  5. Step 5: Solve for x
    x = 4,398,945,408/88,536.96
  6. Step 6: Final answer
    x = 49,684.85

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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.