Home / 88,532.19-132,811.38-28,540.62

Finding the Fourth Proportional to 88,532.19, 132,811.38 and 28,540.62

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Solution

The fourth proportional to 88,532.19, 132,811.38 and 28,540.62 is: 42,815.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,532.19 : 132,811.38 = 28,540.62 : x
  2. Step 2: Convert to fraction form
    88,532.19/132,811.38 = 28,540.62/x
  3. Step 3: Cross multiply
    88,532.19x = 132,811.38 × 28,540.62
  4. Step 4: Simplify right side
    88,532.19x = 3,790,519,128.26
  5. Step 5: Solve for x
    x = 3,790,519,128.26/88,532.19
  6. Step 6: Final answer
    x = 42,815.15

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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.