Home / 91,783.24-137,689.26-39,193

Finding the Fourth Proportional to 91,783.24, 137,689.26 and 39,193

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Solution

The fourth proportional to 91,783.24, 137,689.26 and 39,193 is: 58,795.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,783.24 : 137,689.26 = 39,193 : x
  2. Step 2: Convert to fraction form
    91,783.24/137,689.26 = 39,193/x
  3. Step 3: Cross multiply
    91,783.24x = 137,689.26 × 39,193
  4. Step 4: Simplify right side
    91,783.24x = 5,396,455,167.18
  5. Step 5: Solve for x
    x = 5,396,455,167.18/91,783.24
  6. Step 6: Final answer
    x = 58,795.65

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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.