Home / 115,972.10-173,828.55-49,400.90

Finding the Fourth Proportional to 115,972.10, 173,828.55 and 49,400.90

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Solution

The fourth proportional to 115,972.10, 173,828.55 and 49,400.90 is: 74,046.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,972.10 : 173,828.55 = 49,400.90 : x
  2. Step 2: Convert to fraction form
    115,972.10/173,828.55 = 49,400.90/x
  3. Step 3: Cross multiply
    115,972.10x = 173,828.55 × 49,400.90
  4. Step 4: Simplify right side
    115,972.10x = 8,587,286,815.70
  5. Step 5: Solve for x
    x = 8,587,286,815.70/115,972.10
  6. Step 6: Final answer
    x = 74,046.14

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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.