Home / 84,239.84-126,360.17-34,320.42

Finding the Fourth Proportional to 84,239.84, 126,360.17 and 34,320.42

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Solution

The fourth proportional to 84,239.84, 126,360.17 and 34,320.42 is: 51,480.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,239.84 : 126,360.17 = 34,320.42 : x
  2. Step 2: Convert to fraction form
    84,239.84/126,360.17 = 34,320.42/x
  3. Step 3: Cross multiply
    84,239.84x = 126,360.17 × 34,320.42
  4. Step 4: Simplify right side
    84,239.84x = 4,336,734,105.67
  5. Step 5: Solve for x
    x = 4,336,734,105.67/84,239.84
  6. Step 6: Final answer
    x = 51,480.80

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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.