Home / 75,839.27-113,763.89-31,469.58

Finding the Fourth Proportional to 75,839.27, 113,763.89 and 31,469.58

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Solution

The fourth proportional to 75,839.27, 113,763.89 and 31,469.58 is: 47,206.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,839.27 : 113,763.89 = 31,469.58 : x
  2. Step 2: Convert to fraction form
    75,839.27/113,763.89 = 31,469.58/x
  3. Step 3: Cross multiply
    75,839.27x = 113,763.89 × 31,469.58
  4. Step 4: Simplify right side
    75,839.27x = 3,580,101,916.14
  5. Step 5: Solve for x
    x = 3,580,101,916.14/75,839.27
  6. Step 6: Final answer
    x = 47,206.44

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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.