Home / 88,579.60-132,869.40-51,254.80

Finding the Fourth Proportional to 88,579.60, 132,869.40 and 51,254.80

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Solution

The fourth proportional to 88,579.60, 132,869.40 and 51,254.80 is: 76,882.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,579.60 : 132,869.40 = 51,254.80 : x
  2. Step 2: Convert to fraction form
    88,579.60/132,869.40 = 51,254.80/x
  3. Step 3: Cross multiply
    88,579.60x = 132,869.40 × 51,254.80
  4. Step 4: Simplify right side
    88,579.60x = 6,810,194,523.12
  5. Step 5: Solve for x
    x = 6,810,194,523.12/88,579.60
  6. Step 6: Final answer
    x = 76,882.20

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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.