Home / 54,625.53-75,383.15-30,759.90

Finding the Fourth Proportional to 54,625.53, 75,383.15 and 30,759.90

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Solution

The fourth proportional to 54,625.53, 75,383.15 and 30,759.90 is: 42,448.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,625.53 : 75,383.15 = 30,759.90 : x
  2. Step 2: Convert to fraction form
    54,625.53/75,383.15 = 30,759.90/x
  3. Step 3: Cross multiply
    54,625.53x = 75,383.15 × 30,759.90
  4. Step 4: Simplify right side
    54,625.53x = 2,318,778,155.69
  5. Step 5: Solve for x
    x = 2,318,778,155.69/54,625.53
  6. Step 6: Final answer
    x = 42,448.62

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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.