Home / 115,912.85-173,848.70-52,718.18

Finding the Fourth Proportional to 115,912.85, 173,848.70 and 52,718.18

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Solution

The fourth proportional to 115,912.85, 173,848.70 and 52,718.18 is: 79,067.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,912.85 : 173,848.70 = 52,718.18 : x
  2. Step 2: Convert to fraction form
    115,912.85/173,848.70 = 52,718.18/x
  3. Step 3: Cross multiply
    115,912.85x = 173,848.70 × 52,718.18
  4. Step 4: Simplify right side
    115,912.85x = 9,164,986,321.92
  5. Step 5: Solve for x
    x = 9,164,986,321.92/115,912.85
  6. Step 6: Final answer
    x = 79,067.91

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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.