Home / 54,947.88-75,827.61-31,074.48

Finding the Fourth Proportional to 54,947.88, 75,827.61 and 31,074.48

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Solution

The fourth proportional to 54,947.88, 75,827.61 and 31,074.48 is: 42,882.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,947.88 : 75,827.61 = 31,074.48 : x
  2. Step 2: Convert to fraction form
    54,947.88/75,827.61 = 31,074.48/x
  3. Step 3: Cross multiply
    54,947.88x = 75,827.61 × 31,074.48
  4. Step 4: Simplify right side
    54,947.88x = 2,356,303,550.39
  5. Step 5: Solve for x
    x = 2,356,303,550.39/54,947.88
  6. Step 6: Final answer
    x = 42,882.52

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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.