Home / 54,078.20-80,957.54-39,944.38

Finding the Fourth Proportional to 54,078.20, 80,957.54 and 39,944.38

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Solution

The fourth proportional to 54,078.20, 80,957.54 and 39,944.38 is: 59,798.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,078.20 : 80,957.54 = 39,944.38 : x
  2. Step 2: Convert to fraction form
    54,078.20/80,957.54 = 39,944.38/x
  3. Step 3: Cross multiply
    54,078.20x = 80,957.54 × 39,944.38
  4. Step 4: Simplify right side
    54,078.20x = 3,233,798,741.63
  5. Step 5: Solve for x
    x = 3,233,798,741.63/54,078.20
  6. Step 6: Final answer
    x = 59,798.56

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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.