Home / 75,766.78-113,637.92-35,785.69

Finding the Fourth Proportional to 75,766.78, 113,637.92 and 35,785.69

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Solution

The fourth proportional to 75,766.78, 113,637.92 and 35,785.69 is: 53,672.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,766.78 : 113,637.92 = 35,785.69 : x
  2. Step 2: Convert to fraction form
    75,766.78/113,637.92 = 35,785.69/x
  3. Step 3: Cross multiply
    75,766.78x = 113,637.92 × 35,785.69
  4. Step 4: Simplify right side
    75,766.78x = 4,066,611,377.36
  5. Step 5: Solve for x
    x = 4,066,611,377.36/75,766.78
  6. Step 6: Final answer
    x = 53,672.75

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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.