Home / 87,033.30-120,096.45-51,234.54

Finding the Fourth Proportional to 87,033.30, 120,096.45 and 51,234.54

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Solution

The fourth proportional to 87,033.30, 120,096.45 and 51,234.54 is: 70,698.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,033.30 : 120,096.45 = 51,234.54 : x
  2. Step 2: Convert to fraction form
    87,033.30/120,096.45 = 51,234.54/x
  3. Step 3: Cross multiply
    87,033.30x = 120,096.45 × 51,234.54
  4. Step 4: Simplify right side
    87,033.30x = 6,153,086,371.38
  5. Step 5: Solve for x
    x = 6,153,086,371.38/87,033.30
  6. Step 6: Final answer
    x = 70,698.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.