Home / 95,429.80-143,144.70-87,826.60

Finding the Fourth Proportional to 95,429.80, 143,144.70 and 87,826.60

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Solution

The fourth proportional to 95,429.80, 143,144.70 and 87,826.60 is: 131,739.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,429.80 : 143,144.70 = 87,826.60 : x
  2. Step 2: Convert to fraction form
    95,429.80/143,144.70 = 87,826.60/x
  3. Step 3: Cross multiply
    95,429.80x = 143,144.70 × 87,826.60
  4. Step 4: Simplify right side
    95,429.80x = 12,571,912,309.02
  5. Step 5: Solve for x
    x = 12,571,912,309.02/95,429.80
  6. Step 6: Final answer
    x = 131,739.90

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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.