Home / 95,470.12-143,212.10-28,915.44

Finding the Fourth Proportional to 95,470.12, 143,212.10 and 28,915.44

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Solution

The fourth proportional to 95,470.12, 143,212.10 and 28,915.44 is: 43,375.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,470.12 : 143,212.10 = 28,915.44 : x
  2. Step 2: Convert to fraction form
    95,470.12/143,212.10 = 28,915.44/x
  3. Step 3: Cross multiply
    95,470.12x = 143,212.10 × 28,915.44
  4. Step 4: Simplify right side
    95,470.12x = 4,141,040,203.20
  5. Step 5: Solve for x
    x = 4,141,040,203.20/95,470.12
  6. Step 6: Final answer
    x = 43,375.25

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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.