Home / 88,616.22-122,297.68-50,387.78

Finding the Fourth Proportional to 88,616.22, 122,297.68 and 50,387.78

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Solution

The fourth proportional to 88,616.22, 122,297.68 and 50,387.78 is: 69,539.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,616.22 : 122,297.68 = 50,387.78 : x
  2. Step 2: Convert to fraction form
    88,616.22/122,297.68 = 50,387.78/x
  3. Step 3: Cross multiply
    88,616.22x = 122,297.68 × 50,387.78
  4. Step 4: Simplify right side
    88,616.22x = 6,162,308,594.35
  5. Step 5: Solve for x
    x = 6,162,308,594.35/88,616.22
  6. Step 6: Final answer
    x = 69,539.29

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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.