Home / 87,749.06-131,623.49-28,584.64

Finding the Fourth Proportional to 87,749.06, 131,623.49 and 28,584.64

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Solution

The fourth proportional to 87,749.06, 131,623.49 and 28,584.64 is: 42,876.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,749.06 : 131,623.49 = 28,584.64 : x
  2. Step 2: Convert to fraction form
    87,749.06/131,623.49 = 28,584.64/x
  3. Step 3: Cross multiply
    87,749.06x = 131,623.49 × 28,584.64
  4. Step 4: Simplify right side
    87,749.06x = 3,762,410,077.19
  5. Step 5: Solve for x
    x = 3,762,410,077.19/87,749.06
  6. Step 6: Final answer
    x = 42,876.93

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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.