Home / 81,956.82-122,983.06-34,569.02

Finding the Fourth Proportional to 81,956.82, 122,983.06 and 34,569.02

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Solution

The fourth proportional to 81,956.82, 122,983.06 and 34,569.02 is: 51,873.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,956.82 : 122,983.06 = 34,569.02 : x
  2. Step 2: Convert to fraction form
    81,956.82/122,983.06 = 34,569.02/x
  3. Step 3: Cross multiply
    81,956.82x = 122,983.06 × 34,569.02
  4. Step 4: Simplify right side
    81,956.82x = 4,251,403,860.80
  5. Step 5: Solve for x
    x = 4,251,403,860.80/81,956.82
  6. Step 6: Final answer
    x = 51,873.70

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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.