Home / 81,853.41-122,727.47-34,499.19

Finding the Fourth Proportional to 81,853.41, 122,727.47 and 34,499.19

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Solution

The fourth proportional to 81,853.41, 122,727.47 and 34,499.19 is: 51,726.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,853.41 : 122,727.47 = 34,499.19 : x
  2. Step 2: Convert to fraction form
    81,853.41/122,727.47 = 34,499.19/x
  3. Step 3: Cross multiply
    81,853.41x = 122,727.47 × 34,499.19
  4. Step 4: Simplify right side
    81,853.41x = 4,233,998,133.25
  5. Step 5: Solve for x
    x = 4,233,998,133.25/81,853.41
  6. Step 6: Final answer
    x = 51,726.59

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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.