Home / 55,081.73-76,013.27-29,931.23

Finding the Fourth Proportional to 55,081.73, 76,013.27 and 29,931.23

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Solution

The fourth proportional to 55,081.73, 76,013.27 and 29,931.23 is: 41,305.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,081.73 : 76,013.27 = 29,931.23 : x
  2. Step 2: Convert to fraction form
    55,081.73/76,013.27 = 29,931.23/x
  3. Step 3: Cross multiply
    55,081.73x = 76,013.27 × 29,931.23
  4. Step 4: Simplify right side
    55,081.73x = 2,275,170,932.28
  5. Step 5: Solve for x
    x = 2,275,170,932.28/55,081.73
  6. Step 6: Final answer
    x = 41,305.36

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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.