Home / 52,250.58-78,387.21-17,188.92

Finding the Fourth Proportional to 52,250.58, 78,387.21 and 17,188.92

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Solution

The fourth proportional to 52,250.58, 78,387.21 and 17,188.92 is: 25,787.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,250.58 : 78,387.21 = 17,188.92 : x
  2. Step 2: Convert to fraction form
    52,250.58/78,387.21 = 17,188.92/x
  3. Step 3: Cross multiply
    52,250.58x = 78,387.21 × 17,188.92
  4. Step 4: Simplify right side
    52,250.58x = 1,347,391,481.71
  5. Step 5: Solve for x
    x = 1,347,391,481.71/52,250.58
  6. Step 6: Final answer
    x = 25,787.11

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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.