Home / 57,731.11-86,531.90-37,778.99

Finding the Fourth Proportional to 57,731.11, 86,531.90 and 37,778.99

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Solution

The fourth proportional to 57,731.11, 86,531.90 and 37,778.99 is: 56,626.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,731.11 : 86,531.90 = 37,778.99 : x
  2. Step 2: Convert to fraction form
    57,731.11/86,531.90 = 37,778.99/x
  3. Step 3: Cross multiply
    57,731.11x = 86,531.90 × 37,778.99
  4. Step 4: Simplify right side
    57,731.11x = 3,269,087,163.23
  5. Step 5: Solve for x
    x = 3,269,087,163.23/57,731.11
  6. Step 6: Final answer
    x = 56,626.09

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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.