Home / 54,761.92-75,571.36-30,888.52

Finding the Fourth Proportional to 54,761.92, 75,571.36 and 30,888.52

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Solution

The fourth proportional to 54,761.92, 75,571.36 and 30,888.52 is: 42,626.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,761.92 : 75,571.36 = 30,888.52 : x
  2. Step 2: Convert to fraction form
    54,761.92/75,571.36 = 30,888.52/x
  3. Step 3: Cross multiply
    54,761.92x = 75,571.36 × 30,888.52
  4. Step 4: Simplify right side
    54,761.92x = 2,334,287,464.79
  5. Step 5: Solve for x
    x = 2,334,287,464.79/54,761.92
  6. Step 6: Final answer
    x = 42,626.11

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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.