Home / 87,454.53-131,194.10-43,081.67

Finding the Fourth Proportional to 87,454.53, 131,194.10 and 43,081.67

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Solution

The fourth proportional to 87,454.53, 131,194.10 and 43,081.67 is: 64,628.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,454.53 : 131,194.10 = 43,081.67 : x
  2. Step 2: Convert to fraction form
    87,454.53/131,194.10 = 43,081.67/x
  3. Step 3: Cross multiply
    87,454.53x = 131,194.10 × 43,081.67
  4. Step 4: Simplify right side
    87,454.53x = 5,652,060,050.77
  5. Step 5: Solve for x
    x = 5,652,060,050.77/87,454.53
  6. Step 6: Final answer
    x = 64,628.56

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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.