Home / 54,863.60-75,716.43-30,994.66

Finding the Fourth Proportional to 54,863.60, 75,716.43 and 30,994.66

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Solution

The fourth proportional to 54,863.60, 75,716.43 and 30,994.66 is: 42,775.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,863.60 : 75,716.43 = 30,994.66 : x
  2. Step 2: Convert to fraction form
    54,863.60/75,716.43 = 30,994.66/x
  3. Step 3: Cross multiply
    54,863.60x = 75,716.43 × 30,994.66
  4. Step 4: Simplify right side
    54,863.60x = 2,346,804,625.68
  5. Step 5: Solve for x
    x = 2,346,804,625.68/54,863.60
  6. Step 6: Final answer
    x = 42,775.26

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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.