Home / 91,847.24-137,785.26-39,257

Finding the Fourth Proportional to 91,847.24, 137,785.26 and 39,257

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Solution

The fourth proportional to 91,847.24, 137,785.26 and 39,257 is: 58,891.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,847.24 : 137,785.26 = 39,257 : x
  2. Step 2: Convert to fraction form
    91,847.24/137,785.26 = 39,257/x
  3. Step 3: Cross multiply
    91,847.24x = 137,785.26 × 39,257
  4. Step 4: Simplify right side
    91,847.24x = 5,409,035,951.82
  5. Step 5: Solve for x
    x = 5,409,035,951.82/91,847.24
  6. Step 6: Final answer
    x = 58,891.65

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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.