Home / 84,016.24-115,864.49-61,319.27

Finding the Fourth Proportional to 84,016.24, 115,864.49 and 61,319.27

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Solution

The fourth proportional to 84,016.24, 115,864.49 and 61,319.27 is: 84,563.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,016.24 : 115,864.49 = 61,319.27 : x
  2. Step 2: Convert to fraction form
    84,016.24/115,864.49 = 61,319.27/x
  3. Step 3: Cross multiply
    84,016.24x = 115,864.49 × 61,319.27
  4. Step 4: Simplify right side
    84,016.24x = 7,104,726,388.68
  5. Step 5: Solve for x
    x = 7,104,726,388.68/84,016.24
  6. Step 6: Final answer
    x = 84,563.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.