Home / 54,813.12-75,642.24-29,662.80

Finding the Fourth Proportional to 54,813.12, 75,642.24 and 29,662.80

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Solution

The fourth proportional to 54,813.12, 75,642.24 and 29,662.80 is: 40,934.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,813.12 : 75,642.24 = 29,662.80 : x
  2. Step 2: Convert to fraction form
    54,813.12/75,642.24 = 29,662.80/x
  3. Step 3: Cross multiply
    54,813.12x = 75,642.24 × 29,662.80
  4. Step 4: Simplify right side
    54,813.12x = 2,243,760,636.67
  5. Step 5: Solve for x
    x = 2,243,760,636.67/54,813.12
  6. Step 6: Final answer
    x = 40,934.74

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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.