Home / 88,243.20-132,336.36-29,064.78

Finding the Fourth Proportional to 88,243.20, 132,336.36 and 29,064.78

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Solution

The fourth proportional to 88,243.20, 132,336.36 and 29,064.78 is: 43,587.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,243.20 : 132,336.36 = 29,064.78 : x
  2. Step 2: Convert to fraction form
    88,243.20/132,336.36 = 29,064.78/x
  3. Step 3: Cross multiply
    88,243.20x = 132,336.36 × 29,064.78
  4. Step 4: Simplify right side
    88,243.20x = 3,846,327,189.40
  5. Step 5: Solve for x
    x = 3,846,327,189.40/88,243.20
  6. Step 6: Final answer
    x = 43,587.80

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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.