Home / 54,777.15-82,149.30-28,467.54

Finding the Fourth Proportional to 54,777.15, 82,149.30 and 28,467.54

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Solution

The fourth proportional to 54,777.15, 82,149.30 and 28,467.54 is: 42,692.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,777.15 : 82,149.30 = 28,467.54 : x
  2. Step 2: Convert to fraction form
    54,777.15/82,149.30 = 28,467.54/x
  3. Step 3: Cross multiply
    54,777.15x = 82,149.30 × 28,467.54
  4. Step 4: Simplify right side
    54,777.15x = 2,338,588,483.72
  5. Step 5: Solve for x
    x = 2,338,588,483.72/54,777.15
  6. Step 6: Final answer
    x = 42,692.77

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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.