Home / 92,727.28-139,115.22-40,124.44

Finding the Fourth Proportional to 92,727.28, 139,115.22 and 40,124.44

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Solution

The fourth proportional to 92,727.28, 139,115.22 and 40,124.44 is: 60,197.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,727.28 : 139,115.22 = 40,124.44 : x
  2. Step 2: Convert to fraction form
    92,727.28/139,115.22 = 40,124.44/x
  3. Step 3: Cross multiply
    92,727.28x = 139,115.22 × 40,124.44
  4. Step 4: Simplify right side
    92,727.28x = 5,581,920,297.98
  5. Step 5: Solve for x
    x = 5,581,920,297.98/92,727.28
  6. Step 6: Final answer
    x = 60,197.17

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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.