Home / 83,736.41-125,711.22-54,277.52

Finding the Fourth Proportional to 83,736.41, 125,711.22 and 54,277.52

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Solution

The fourth proportional to 83,736.41, 125,711.22 and 54,277.52 is: 81,485.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,736.41 : 125,711.22 = 54,277.52 : x
  2. Step 2: Convert to fraction form
    83,736.41/125,711.22 = 54,277.52/x
  3. Step 3: Cross multiply
    83,736.41x = 125,711.22 × 54,277.52
  4. Step 4: Simplify right side
    83,736.41x = 6,823,293,257.77
  5. Step 5: Solve for x
    x = 6,823,293,257.77/83,736.41
  6. Step 6: Final answer
    x = 81,485.38

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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.