Home / 92,847.22-139,369.23-57,811.54

Finding the Fourth Proportional to 92,847.22, 139,369.23 and 57,811.54

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Solution

The fourth proportional to 92,847.22, 139,369.23 and 57,811.54 is: 86,778.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,847.22 : 139,369.23 = 57,811.54 : x
  2. Step 2: Convert to fraction form
    92,847.22/139,369.23 = 57,811.54/x
  3. Step 3: Cross multiply
    92,847.22x = 139,369.23 × 57,811.54
  4. Step 4: Simplify right side
    92,847.22x = 8,057,149,814.91
  5. Step 5: Solve for x
    x = 8,057,149,814.91/92,847.22
  6. Step 6: Final answer
    x = 86,778.58

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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.