Home / 84,234.96-126,277.98-34,356.78

Finding the Fourth Proportional to 84,234.96, 126,277.98 and 34,356.78

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Solution

The fourth proportional to 84,234.96, 126,277.98 and 34,356.78 is: 51,504.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,234.96 : 126,277.98 = 34,356.78 : x
  2. Step 2: Convert to fraction form
    84,234.96/126,277.98 = 34,356.78/x
  3. Step 3: Cross multiply
    84,234.96x = 126,277.98 × 34,356.78
  4. Step 4: Simplify right side
    84,234.96x = 4,338,504,777.70
  5. Step 5: Solve for x
    x = 4,338,504,777.70/84,234.96
  6. Step 6: Final answer
    x = 51,504.80

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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.