Home / 115,787.96-173,591.21-45,719.72

Finding the Fourth Proportional to 115,787.96, 173,591.21 and 45,719.72

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Solution

The fourth proportional to 115,787.96, 173,591.21 and 45,719.72 is: 68,543.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,787.96 : 173,591.21 = 45,719.72 : x
  2. Step 2: Convert to fraction form
    115,787.96/173,591.21 = 45,719.72/x
  3. Step 3: Cross multiply
    115,787.96x = 173,591.21 × 45,719.72
  4. Step 4: Simplify right side
    115,787.96x = 7,936,542,063.94
  5. Step 5: Solve for x
    x = 7,936,542,063.94/115,787.96
  6. Step 6: Final answer
    x = 68,543.76

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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.