Home / 75,915.09-113,796.43-25,961.01

Finding the Fourth Proportional to 75,915.09, 113,796.43 and 25,961.01

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Solution

The fourth proportional to 75,915.09, 113,796.43 and 25,961.01 is: 38,915.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,915.09 : 113,796.43 = 25,961.01 : x
  2. Step 2: Convert to fraction form
    75,915.09/113,796.43 = 25,961.01/x
  3. Step 3: Cross multiply
    75,915.09x = 113,796.43 × 25,961.01
  4. Step 4: Simplify right side
    75,915.09x = 2,954,269,765.56
  5. Step 5: Solve for x
    x = 2,954,269,765.56/75,915.09
  6. Step 6: Final answer
    x = 38,915.45

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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.