Home / 88,308.40-132,160.20-53,273.20

Finding the Fourth Proportional to 88,308.40, 132,160.20 and 53,273.20

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Solution

The fourth proportional to 88,308.40, 132,160.20 and 53,273.20 is: 79,727.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,308.40 : 132,160.20 = 53,273.20 : x
  2. Step 2: Convert to fraction form
    88,308.40/132,160.20 = 53,273.20/x
  3. Step 3: Cross multiply
    88,308.40x = 132,160.20 × 53,273.20
  4. Step 4: Simplify right side
    88,308.40x = 7,040,596,766.64
  5. Step 5: Solve for x
    x = 7,040,596,766.64/88,308.40
  6. Step 6: Final answer
    x = 79,727.37

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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.