Home / 92,550.70-138,745.05-62,872.30

Finding the Fourth Proportional to 92,550.70, 138,745.05 and 62,872.30

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Solution

The fourth proportional to 92,550.70, 138,745.05 and 62,872.30 is: 94,253.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,550.70 : 138,745.05 = 62,872.30 : x
  2. Step 2: Convert to fraction form
    92,550.70/138,745.05 = 62,872.30/x
  3. Step 3: Cross multiply
    92,550.70x = 138,745.05 × 62,872.30
  4. Step 4: Simplify right side
    92,550.70x = 8,723,220,407.12
  5. Step 5: Solve for x
    x = 8,723,220,407.12/92,550.70
  6. Step 6: Final answer
    x = 94,253.42

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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.