Home / 88,278.38-132,240.28-40,826.96

Finding the Fourth Proportional to 88,278.38, 132,240.28 and 40,826.96

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Solution

The fourth proportional to 88,278.38, 132,240.28 and 40,826.96 is: 61,158.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,278.38 : 132,240.28 = 40,826.96 : x
  2. Step 2: Convert to fraction form
    88,278.38/132,240.28 = 40,826.96/x
  3. Step 3: Cross multiply
    88,278.38x = 132,240.28 × 40,826.96
  4. Step 4: Simplify right side
    88,278.38x = 5,398,968,621.95
  5. Step 5: Solve for x
    x = 5,398,968,621.95/88,278.38
  6. Step 6: Final answer
    x = 61,158.45

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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.