Home / 81,923.24-113,088.94-55,081.28

Finding the Fourth Proportional to 81,923.24, 113,088.94 and 55,081.28

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Solution

The fourth proportional to 81,923.24, 113,088.94 and 55,081.28 is: 76,035.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,923.24 : 113,088.94 = 55,081.28 : x
  2. Step 2: Convert to fraction form
    81,923.24/113,088.94 = 55,081.28/x
  3. Step 3: Cross multiply
    81,923.24x = 113,088.94 × 55,081.28
  4. Step 4: Simplify right side
    81,923.24x = 6,229,083,569.04
  5. Step 5: Solve for x
    x = 6,229,083,569.04/81,923.24
  6. Step 6: Final answer
    x = 76,035.61

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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.