Home / 84,255.48-126,382.86-34,324.44

Finding the Fourth Proportional to 84,255.48, 126,382.86 and 34,324.44

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Solution

The fourth proportional to 84,255.48, 126,382.86 and 34,324.44 is: 51,486.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,255.48 : 126,382.86 = 34,324.44 : x
  2. Step 2: Convert to fraction form
    84,255.48/126,382.86 = 34,324.44/x
  3. Step 3: Cross multiply
    84,255.48x = 126,382.86 × 34,324.44
  4. Step 4: Simplify right side
    84,255.48x = 4,338,020,895.10
  5. Step 5: Solve for x
    x = 4,338,020,895.10/84,255.48
  6. Step 6: Final answer
    x = 51,486.51

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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.