Home / 88,286.20-132,314.10-40,895.80

Finding the Fourth Proportional to 88,286.20, 132,314.10 and 40,895.80

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Solution

The fourth proportional to 88,286.20, 132,314.10 and 40,895.80 is: 61,290.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,286.20 : 132,314.10 = 40,895.80 : x
  2. Step 2: Convert to fraction form
    88,286.20/132,314.10 = 40,895.80/x
  3. Step 3: Cross multiply
    88,286.20x = 132,314.10 × 40,895.80
  4. Step 4: Simplify right side
    88,286.20x = 5,411,090,970.78
  5. Step 5: Solve for x
    x = 5,411,090,970.78/88,286.20
  6. Step 6: Final answer
    x = 61,290.34

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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.