Home / 54,217.06-74,843.16-38,914.54

Finding the Fourth Proportional to 54,217.06, 74,843.16 and 38,914.54

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Solution

The fourth proportional to 54,217.06, 74,843.16 and 38,914.54 is: 53,719.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,217.06 : 74,843.16 = 38,914.54 : x
  2. Step 2: Convert to fraction form
    54,217.06/74,843.16 = 38,914.54/x
  3. Step 3: Cross multiply
    54,217.06x = 74,843.16 × 38,914.54
  4. Step 4: Simplify right side
    54,217.06x = 2,912,487,143.55
  5. Step 5: Solve for x
    x = 2,912,487,143.55/54,217.06
  6. Step 6: Final answer
    x = 53,719.02

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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.