Home / 84,553.30-126,738.42-54,992.35

Finding the Fourth Proportional to 84,553.30, 126,738.42 and 54,992.35

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Solution

The fourth proportional to 84,553.30, 126,738.42 and 54,992.35 is: 82,429.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,553.30 : 126,738.42 = 54,992.35 : x
  2. Step 2: Convert to fraction form
    84,553.30/126,738.42 = 54,992.35/x
  3. Step 3: Cross multiply
    84,553.30x = 126,738.42 × 54,992.35
  4. Step 4: Simplify right side
    84,553.30x = 6,969,643,551.09
  5. Step 5: Solve for x
    x = 6,969,643,551.09/84,553.30
  6. Step 6: Final answer
    x = 82,429.00

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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.