Home / 54,868.08-75,716.64-30,993.96

Finding the Fourth Proportional to 54,868.08, 75,716.64 and 30,993.96

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Solution

The fourth proportional to 54,868.08, 75,716.64 and 30,993.96 is: 42,770.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,868.08 : 75,716.64 = 30,993.96 : x
  2. Step 2: Convert to fraction form
    54,868.08/75,716.64 = 30,993.96/x
  3. Step 3: Cross multiply
    54,868.08x = 75,716.64 × 30,993.96
  4. Step 4: Simplify right side
    54,868.08x = 2,346,758,511.49
  5. Step 5: Solve for x
    x = 2,346,758,511.49/54,868.08
  6. Step 6: Final answer
    x = 42,770.92

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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.