Home / 54,865.96-75,716.58-30,993.64

Finding the Fourth Proportional to 54,865.96, 75,716.58 and 30,993.64

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Solution

The fourth proportional to 54,865.96, 75,716.58 and 30,993.64 is: 42,772.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,865.96 : 75,716.58 = 30,993.64 : x
  2. Step 2: Convert to fraction form
    54,865.96/75,716.58 = 30,993.64/x
  3. Step 3: Cross multiply
    54,865.96x = 75,716.58 × 30,993.64
  4. Step 4: Simplify right side
    54,865.96x = 2,346,732,422.55
  5. Step 5: Solve for x
    x = 2,346,732,422.55/54,865.96
  6. Step 6: Final answer
    x = 42,772.10

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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.