Home / 84,394.82-126,553.08-31,073.24

Finding the Fourth Proportional to 84,394.82, 126,553.08 and 31,073.24

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Solution

The fourth proportional to 84,394.82, 126,553.08 and 31,073.24 is: 46,595.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,394.82 : 126,553.08 = 31,073.24 : x
  2. Step 2: Convert to fraction form
    84,394.82/126,553.08 = 31,073.24/x
  3. Step 3: Cross multiply
    84,394.82x = 126,553.08 × 31,073.24
  4. Step 4: Simplify right side
    84,394.82x = 3,932,414,227.58
  5. Step 5: Solve for x
    x = 3,932,414,227.58/84,394.82
  6. Step 6: Final answer
    x = 46,595.45

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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.