Home / 88,190.27-121,721.82-54,227.98

Finding the Fourth Proportional to 88,190.27, 121,721.82 and 54,227.98

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Solution

The fourth proportional to 88,190.27, 121,721.82 and 54,227.98 is: 74,846.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,190.27 : 121,721.82 = 54,227.98 : x
  2. Step 2: Convert to fraction form
    88,190.27/121,721.82 = 54,227.98/x
  3. Step 3: Cross multiply
    88,190.27x = 121,721.82 × 54,227.98
  4. Step 4: Simplify right side
    88,190.27x = 6,600,727,811.91
  5. Step 5: Solve for x
    x = 6,600,727,811.91/88,190.27
  6. Step 6: Final answer
    x = 74,846.44

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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.