Home / 75,890.00-113,840.51-29,142.88

Finding the Fourth Proportional to 75,890.00, 113,840.51 and 29,142.88

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Solution

The fourth proportional to 75,890.00, 113,840.51 and 29,142.88 is: 43,716.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,890.00 : 113,840.51 = 29,142.88 : x
  2. Step 2: Convert to fraction form
    75,890.00/113,840.51 = 29,142.88/x
  3. Step 3: Cross multiply
    75,890.00x = 113,840.51 × 29,142.88
  4. Step 4: Simplify right side
    75,890.00x = 3,317,639,891.75
  5. Step 5: Solve for x
    x = 3,317,639,891.75/75,890.00
  6. Step 6: Final answer
    x = 43,716.43

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1.5x scale

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.