Home / 51,521.15-71,107.75-35,375.25

Finding the Fourth Proportional to 51,521.15, 71,107.75 and 35,375.25

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Solution

The fourth proportional to 51,521.15, 71,107.75 and 35,375.25 is: 48,823.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,521.15 : 71,107.75 = 35,375.25 : x
  2. Step 2: Convert to fraction form
    51,521.15/71,107.75 = 35,375.25/x
  3. Step 3: Cross multiply
    51,521.15x = 71,107.75 × 35,375.25
  4. Step 4: Simplify right side
    51,521.15x = 2,515,454,433.19
  5. Step 5: Solve for x
    x = 2,515,454,433.19/51,521.15
  6. Step 6: Final answer
    x = 48,823.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.