Home / 82,811.43-124,199.73-26,656.56

Finding the Fourth Proportional to 82,811.43, 124,199.73 and 26,656.56

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Solution

The fourth proportional to 82,811.43, 124,199.73 and 26,656.56 is: 39,979.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,811.43 : 124,199.73 = 26,656.56 : x
  2. Step 2: Convert to fraction form
    82,811.43/124,199.73 = 26,656.56/x
  3. Step 3: Cross multiply
    82,811.43x = 124,199.73 × 26,656.56
  4. Step 4: Simplify right side
    82,811.43x = 3,310,737,554.73
  5. Step 5: Solve for x
    x = 3,310,737,554.73/82,811.43
  6. Step 6: Final answer
    x = 39,979.23

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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.