Home / 54,752.94-75,558.78-30,879.90

Finding the Fourth Proportional to 54,752.94, 75,558.78 and 30,879.90

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Solution

The fourth proportional to 54,752.94, 75,558.78 and 30,879.90 is: 42,614.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,752.94 : 75,558.78 = 30,879.90 : x
  2. Step 2: Convert to fraction form
    54,752.94/75,558.78 = 30,879.90/x
  3. Step 3: Cross multiply
    54,752.94x = 75,558.78 × 30,879.90
  4. Step 4: Simplify right side
    54,752.94x = 2,333,247,570.52
  5. Step 5: Solve for x
    x = 2,333,247,570.52/54,752.94
  6. Step 6: Final answer
    x = 42,614.11

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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.