Home / 88,609.43-132,349.25-80,163.02

Finding the Fourth Proportional to 88,609.43, 132,349.25 and 80,163.02

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Solution

The fourth proportional to 88,609.43, 132,349.25 and 80,163.02 is: 119,733.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,609.43 : 132,349.25 = 80,163.02 : x
  2. Step 2: Convert to fraction form
    88,609.43/132,349.25 = 80,163.02/x
  3. Step 3: Cross multiply
    88,609.43x = 132,349.25 × 80,163.02
  4. Step 4: Simplify right side
    88,609.43x = 10,609,516,106.02
  5. Step 5: Solve for x
    x = 10,609,516,106.02/88,609.43
  6. Step 6: Final answer
    x = 119,733.48

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.