Home / 84,418.41-126,536.49-54,857.46

Finding the Fourth Proportional to 84,418.41, 126,536.49 and 54,857.46

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Solution

The fourth proportional to 84,418.41, 126,536.49 and 54,857.46 is: 82,226.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,418.41 : 126,536.49 = 54,857.46 : x
  2. Step 2: Convert to fraction form
    84,418.41/126,536.49 = 54,857.46/x
  3. Step 3: Cross multiply
    84,418.41x = 126,536.49 × 54,857.46
  4. Step 4: Simplify right side
    84,418.41x = 6,941,470,438.72
  5. Step 5: Solve for x
    x = 6,941,470,438.72/84,418.41
  6. Step 6: Final answer
    x = 82,226.97

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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.