Home / 54,589.48-75,332.61-30,716.14

Finding the Fourth Proportional to 54,589.48, 75,332.61 and 30,716.14

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Solution

The fourth proportional to 54,589.48, 75,332.61 and 30,716.14 is: 42,387.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,589.48 : 75,332.61 = 30,716.14 : x
  2. Step 2: Convert to fraction form
    54,589.48/75,332.61 = 30,716.14/x
  3. Step 3: Cross multiply
    54,589.48x = 75,332.61 × 30,716.14
  4. Step 4: Simplify right side
    54,589.48x = 2,313,926,995.33
  5. Step 5: Solve for x
    x = 2,313,926,995.33/54,589.48
  6. Step 6: Final answer
    x = 42,387.78

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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.