Home / 84,418.43-126,580.88-34,533.54

Finding the Fourth Proportional to 84,418.43, 126,580.88 and 34,533.54

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Solution

The fourth proportional to 84,418.43, 126,580.88 and 34,533.54 is: 51,781.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,418.43 : 126,580.88 = 34,533.54 : x
  2. Step 2: Convert to fraction form
    84,418.43/126,580.88 = 34,533.54/x
  3. Step 3: Cross multiply
    84,418.43x = 126,580.88 × 34,533.54
  4. Step 4: Simplify right side
    84,418.43x = 4,371,285,969.05
  5. Step 5: Solve for x
    x = 4,371,285,969.05/84,418.43
  6. Step 6: Final answer
    x = 51,781.18

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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.