Home / 42,716.97-63,989.31-35,766.40

Finding the Fourth Proportional to 42,716.97, 63,989.31 and 35,766.40

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Solution

The fourth proportional to 42,716.97, 63,989.31 and 35,766.40 is: 53,577.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,716.97 : 63,989.31 = 35,766.40 : x
  2. Step 2: Convert to fraction form
    42,716.97/63,989.31 = 35,766.40/x
  3. Step 3: Cross multiply
    42,716.97x = 63,989.31 × 35,766.40
  4. Step 4: Simplify right side
    42,716.97x = 2,288,667,257.18
  5. Step 5: Solve for x
    x = 2,288,667,257.18/42,716.97
  6. Step 6: Final answer
    x = 53,577.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.