Home / 115,963.10-173,815.05-49,391.90

Finding the Fourth Proportional to 115,963.10, 173,815.05 and 49,391.90

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Solution

The fourth proportional to 115,963.10, 173,815.05 and 49,391.90 is: 74,032.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,963.10 : 173,815.05 = 49,391.90 : x
  2. Step 2: Convert to fraction form
    115,963.10/173,815.05 = 49,391.90/x
  3. Step 3: Cross multiply
    115,963.10x = 173,815.05 × 49,391.90
  4. Step 4: Simplify right side
    115,963.10x = 8,585,055,568.10
  5. Step 5: Solve for x
    x = 8,585,055,568.10/115,963.10
  6. Step 6: Final answer
    x = 74,032.65

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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.