Home / 84,296.09-126,451.43-34,379.64

Finding the Fourth Proportional to 84,296.09, 126,451.43 and 34,379.64

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Solution

The fourth proportional to 84,296.09, 126,451.43 and 34,379.64 is: 51,572.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,296.09 : 126,451.43 = 34,379.64 : x
  2. Step 2: Convert to fraction form
    84,296.09/126,451.43 = 34,379.64/x
  3. Step 3: Cross multiply
    84,296.09x = 126,451.43 × 34,379.64
  4. Step 4: Simplify right side
    84,296.09x = 4,347,354,597.91
  5. Step 5: Solve for x
    x = 4,347,354,597.91/84,296.09
  6. Step 6: Final answer
    x = 51,572.43

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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.