Home / 69,408.36-95,766.32-40,730.72

Finding the Fourth Proportional to 69,408.36, 95,766.32 and 40,730.72

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Solution

The fourth proportional to 69,408.36, 95,766.32 and 40,730.72 is: 56,198.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,408.36 : 95,766.32 = 40,730.72 : x
  2. Step 2: Convert to fraction form
    69,408.36/95,766.32 = 40,730.72/x
  3. Step 3: Cross multiply
    69,408.36x = 95,766.32 × 40,730.72
  4. Step 4: Simplify right side
    69,408.36x = 3,900,631,165.35
  5. Step 5: Solve for x
    x = 3,900,631,165.35/69,408.36
  6. Step 6: Final answer
    x = 56,198.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.