Home / 92,716.24-139,124.82-39,399.88

Finding the Fourth Proportional to 92,716.24, 139,124.82 and 39,399.88

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Solution

The fourth proportional to 92,716.24, 139,124.82 and 39,399.88 is: 59,121.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,716.24 : 139,124.82 = 39,399.88 : x
  2. Step 2: Convert to fraction form
    92,716.24/139,124.82 = 39,399.88/x
  3. Step 3: Cross multiply
    92,716.24x = 139,124.82 × 39,399.88
  4. Step 4: Simplify right side
    92,716.24x = 5,481,501,213.02
  5. Step 5: Solve for x
    x = 5,481,501,213.02/92,716.24
  6. Step 6: Final answer
    x = 59,121.26

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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.