Home / 54,778.15-82,150.80-28,468.54

Finding the Fourth Proportional to 54,778.15, 82,150.80 and 28,468.54

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Solution

The fourth proportional to 54,778.15, 82,150.80 and 28,468.54 is: 42,694.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,778.15 : 82,150.80 = 28,468.54 : x
  2. Step 2: Convert to fraction form
    54,778.15/82,150.80 = 28,468.54/x
  3. Step 3: Cross multiply
    54,778.15x = 82,150.80 × 28,468.54
  4. Step 4: Simplify right side
    54,778.15x = 2,338,713,335.83
  5. Step 5: Solve for x
    x = 2,338,713,335.83/54,778.15
  6. Step 6: Final answer
    x = 42,694.27

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1.5x scale

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.