Home / 88,376.20-132,571.68-38,458

Finding the Fourth Proportional to 88,376.20, 132,571.68 and 38,458

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Solution

The fourth proportional to 88,376.20, 132,571.68 and 38,458 is: 57,690.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,376.20 : 132,571.68 = 38,458 : x
  2. Step 2: Convert to fraction form
    88,376.20/132,571.68 = 38,458/x
  3. Step 3: Cross multiply
    88,376.20x = 132,571.68 × 38,458
  4. Step 4: Simplify right side
    88,376.20x = 5,098,441,669.44
  5. Step 5: Solve for x
    x = 5,098,441,669.44/88,376.20
  6. Step 6: Final answer
    x = 57,690.21

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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.