Home / 54,542.72-81,804.94-15,103.80

Finding the Fourth Proportional to 54,542.72, 81,804.94 and 15,103.80

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Solution

The fourth proportional to 54,542.72, 81,804.94 and 15,103.80 is: 22,653.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,542.72 : 81,804.94 = 15,103.80 : x
  2. Step 2: Convert to fraction form
    54,542.72/81,804.94 = 15,103.80/x
  3. Step 3: Cross multiply
    54,542.72x = 81,804.94 × 15,103.80
  4. Step 4: Simplify right side
    54,542.72x = 1,235,565,452.77
  5. Step 5: Solve for x
    x = 1,235,565,452.77/54,542.72
  6. Step 6: Final answer
    x = 22,653.17

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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.