Home / 75,902.16-113,867.82-25,989.96

Finding the Fourth Proportional to 75,902.16, 113,867.82 and 25,989.96

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Solution

The fourth proportional to 75,902.16, 113,867.82 and 25,989.96 is: 38,989.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,902.16 : 113,867.82 = 25,989.96 : x
  2. Step 2: Convert to fraction form
    75,902.16/113,867.82 = 25,989.96/x
  3. Step 3: Cross multiply
    75,902.16x = 113,867.82 × 25,989.96
  4. Step 4: Simplify right side
    75,902.16x = 2,959,420,087.09
  5. Step 5: Solve for x
    x = 2,959,420,087.09/75,902.16
  6. Step 6: Final answer
    x = 38,989.93

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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.