Home / 84,022.29-126,085.99-34,102.39

Finding the Fourth Proportional to 84,022.29, 126,085.99 and 34,102.39

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Solution

The fourth proportional to 84,022.29, 126,085.99 and 34,102.39 is: 51,174.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,022.29 : 126,085.99 = 34,102.39 : x
  2. Step 2: Convert to fraction form
    84,022.29/126,085.99 = 34,102.39/x
  3. Step 3: Cross multiply
    84,022.29x = 126,085.99 × 34,102.39
  4. Step 4: Simplify right side
    84,022.29x = 4,299,833,604.52
  5. Step 5: Solve for x
    x = 4,299,833,604.52/84,022.29
  6. Step 6: Final answer
    x = 51,174.92

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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.