Home / 88,032.20-132,047.10-28,869.80

Finding the Fourth Proportional to 88,032.20, 132,047.10 and 28,869.80

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Solution

The fourth proportional to 88,032.20, 132,047.10 and 28,869.80 is: 43,304.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,032.20 : 132,047.10 = 28,869.80 : x
  2. Step 2: Convert to fraction form
    88,032.20/132,047.10 = 28,869.80/x
  3. Step 3: Cross multiply
    88,032.20x = 132,047.10 × 28,869.80
  4. Step 4: Simplify right side
    88,032.20x = 3,812,173,367.58
  5. Step 5: Solve for x
    x = 3,812,173,367.58/88,032.20
  6. Step 6: Final answer
    x = 43,304.31

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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.