Home / 75,825.76-104,520.48-51,910.96

Finding the Fourth Proportional to 75,825.76, 104,520.48 and 51,910.96

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Solution

The fourth proportional to 75,825.76, 104,520.48 and 51,910.96 is: 71,555.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,825.76 : 104,520.48 = 51,910.96 : x
  2. Step 2: Convert to fraction form
    75,825.76/104,520.48 = 51,910.96/x
  3. Step 3: Cross multiply
    75,825.76x = 104,520.48 × 51,910.96
  4. Step 4: Simplify right side
    75,825.76x = 5,425,758,456.46
  5. Step 5: Solve for x
    x = 5,425,758,456.46/75,825.76
  6. Step 6: Final answer
    x = 71,555.61

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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.