Home / 113,380.40-170,026.68-38,487.92

Finding the Fourth Proportional to 113,380.40, 170,026.68 and 38,487.92

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Solution

The fourth proportional to 113,380.40, 170,026.68 and 38,487.92 is: 57,716.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,380.40 : 170,026.68 = 38,487.92 : x
  2. Step 2: Convert to fraction form
    113,380.40/170,026.68 = 38,487.92/x
  3. Step 3: Cross multiply
    113,380.40x = 170,026.68 × 38,487.92
  4. Step 4: Simplify right side
    113,380.40x = 6,543,973,257.71
  5. Step 5: Solve for x
    x = 6,543,973,257.71/113,380.40
  6. Step 6: Final answer
    x = 57,716.97

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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.