Home / 54,813.11-75,642.32-29,662.61

Finding the Fourth Proportional to 54,813.11, 75,642.32 and 29,662.61

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Solution

The fourth proportional to 54,813.11, 75,642.32 and 29,662.61 is: 40,934.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,813.11 : 75,642.32 = 29,662.61 : x
  2. Step 2: Convert to fraction form
    54,813.11/75,642.32 = 29,662.61/x
  3. Step 3: Cross multiply
    54,813.11x = 75,642.32 × 29,662.61
  4. Step 4: Simplify right side
    54,813.11x = 2,243,748,592.24
  5. Step 5: Solve for x
    x = 2,243,748,592.24/54,813.11
  6. Step 6: Final answer
    x = 40,934.52

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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.