Home / 95,747.87-143,640.70-28,281.05

Finding the Fourth Proportional to 95,747.87, 143,640.70 and 28,281.05

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Solution

The fourth proportional to 95,747.87, 143,640.70 and 28,281.05 is: 42,427.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,747.87 : 143,640.70 = 28,281.05 : x
  2. Step 2: Convert to fraction form
    95,747.87/143,640.70 = 28,281.05/x
  3. Step 3: Cross multiply
    95,747.87x = 143,640.70 × 28,281.05
  4. Step 4: Simplify right side
    95,747.87x = 4,062,309,029.83
  5. Step 5: Solve for x
    x = 4,062,309,029.83/95,747.87
  6. Step 6: Final answer
    x = 42,427.15

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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.