Home / 84,021.82-126,085.27-34,101.91

Finding the Fourth Proportional to 84,021.82, 126,085.27 and 34,101.91

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Solution

The fourth proportional to 84,021.82, 126,085.27 and 34,101.91 is: 51,174.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,021.82 : 126,085.27 = 34,101.91 : x
  2. Step 2: Convert to fraction form
    84,021.82/126,085.27 = 34,101.91/x
  3. Step 3: Cross multiply
    84,021.82x = 126,085.27 × 34,101.91
  4. Step 4: Simplify right side
    84,021.82x = 4,299,748,129.40
  5. Step 5: Solve for x
    x = 4,299,748,129.40/84,021.82
  6. Step 6: Final answer
    x = 51,174.19

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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.