Home / 54,647.72-75,423.42-52,154.54

Finding the Fourth Proportional to 54,647.72, 75,423.42 and 52,154.54

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Solution

The fourth proportional to 54,647.72, 75,423.42 and 52,154.54 is: 71,982.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,647.72 : 75,423.42 = 52,154.54 : x
  2. Step 2: Convert to fraction form
    54,647.72/75,423.42 = 52,154.54/x
  3. Step 3: Cross multiply
    54,647.72x = 75,423.42 × 52,154.54
  4. Step 4: Simplify right side
    54,647.72x = 3,933,673,775.33
  5. Step 5: Solve for x
    x = 3,933,673,775.33/54,647.72
  6. Step 6: Final answer
    x = 71,982.40

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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.