Home / 82,355.85-123,533.78-32,408.82

Finding the Fourth Proportional to 82,355.85, 123,533.78 and 32,408.82

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Solution

The fourth proportional to 82,355.85, 123,533.78 and 32,408.82 is: 48,613.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,355.85 : 123,533.78 = 32,408.82 : x
  2. Step 2: Convert to fraction form
    82,355.85/123,533.78 = 32,408.82/x
  3. Step 3: Cross multiply
    82,355.85x = 123,533.78 × 32,408.82
  4. Step 4: Simplify right side
    82,355.85x = 4,003,583,877.90
  5. Step 5: Solve for x
    x = 4,003,583,877.90/82,355.85
  6. Step 6: Final answer
    x = 48,613.23

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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.