Home / 115,517.34-173,268.72-48,915.90

Finding the Fourth Proportional to 115,517.34, 173,268.72 and 48,915.90

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Solution

The fourth proportional to 115,517.34, 173,268.72 and 48,915.90 is: 73,370.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,517.34 : 173,268.72 = 48,915.90 : x
  2. Step 2: Convert to fraction form
    115,517.34/173,268.72 = 48,915.90/x
  3. Step 3: Cross multiply
    115,517.34x = 173,268.72 × 48,915.90
  4. Step 4: Simplify right side
    115,517.34x = 8,475,595,380.65
  5. Step 5: Solve for x
    x = 8,475,595,380.65/115,517.34
  6. Step 6: Final answer
    x = 73,370.76

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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.