Home / 88,614.82-122,219.31-56,786.68

Finding the Fourth Proportional to 88,614.82, 122,219.31 and 56,786.68

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Solution

The fourth proportional to 88,614.82, 122,219.31 and 56,786.68 is: 78,321.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,614.82 : 122,219.31 = 56,786.68 : x
  2. Step 2: Convert to fraction form
    88,614.82/122,219.31 = 56,786.68/x
  3. Step 3: Cross multiply
    88,614.82x = 122,219.31 × 56,786.68
  4. Step 4: Simplify right side
    88,614.82x = 6,940,428,846.79
  5. Step 5: Solve for x
    x = 6,940,428,846.79/88,614.82
  6. Step 6: Final answer
    x = 78,321.31

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1.5x scale

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.