Home / 87,261.78-130,849.57-51,247.27

Finding the Fourth Proportional to 87,261.78, 130,849.57 and 51,247.27

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Solution

The fourth proportional to 87,261.78, 130,849.57 and 51,247.27 is: 76,845.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,261.78 : 130,849.57 = 51,247.27 : x
  2. Step 2: Convert to fraction form
    87,261.78/130,849.57 = 51,247.27/x
  3. Step 3: Cross multiply
    87,261.78x = 130,849.57 × 51,247.27
  4. Step 4: Simplify right side
    87,261.78x = 6,705,683,115.06
  5. Step 5: Solve for x
    x = 6,705,683,115.06/87,261.78
  6. Step 6: Final answer
    x = 76,845.59

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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.