Home / 54,451.10-81,683.96-53,474.24

Finding the Fourth Proportional to 54,451.10, 81,683.96 and 53,474.24

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Solution

The fourth proportional to 54,451.10, 81,683.96 and 53,474.24 is: 80,218.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,451.10 : 81,683.96 = 53,474.24 : x
  2. Step 2: Convert to fraction form
    54,451.10/81,683.96 = 53,474.24/x
  3. Step 3: Cross multiply
    54,451.10x = 81,683.96 × 53,474.24
  4. Step 4: Simplify right side
    54,451.10x = 4,367,987,005.40
  5. Step 5: Solve for x
    x = 4,367,987,005.40/54,451.10
  6. Step 6: Final answer
    x = 80,218.53

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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.