Home / 61,180.64-91,716.60-21,732.56

Finding the Fourth Proportional to 61,180.64, 91,716.60 and 21,732.56

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Solution

The fourth proportional to 61,180.64, 91,716.60 and 21,732.56 is: 32,579.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,180.64 : 91,716.60 = 21,732.56 : x
  2. Step 2: Convert to fraction form
    61,180.64/91,716.60 = 21,732.56/x
  3. Step 3: Cross multiply
    61,180.64x = 91,716.60 × 21,732.56
  4. Step 4: Simplify right side
    61,180.64x = 1,993,236,512.50
  5. Step 5: Solve for x
    x = 1,993,236,512.50/61,180.64
  6. Step 6: Final answer
    x = 32,579.53

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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.