Home / 88,660.20-132,811.10-55,277.80

Finding the Fourth Proportional to 88,660.20, 132,811.10 and 55,277.80

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Solution

The fourth proportional to 88,660.20, 132,811.10 and 55,277.80 is: 82,804.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,660.20 : 132,811.10 = 55,277.80 : x
  2. Step 2: Convert to fraction form
    88,660.20/132,811.10 = 55,277.80/x
  3. Step 3: Cross multiply
    88,660.20x = 132,811.10 × 55,277.80
  4. Step 4: Simplify right side
    88,660.20x = 7,341,505,423.58
  5. Step 5: Solve for x
    x = 7,341,505,423.58/88,660.20
  6. Step 6: Final answer
    x = 82,804.97

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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.