Home / 69,137.60-95,408.52-40,474.16

Finding the Fourth Proportional to 69,137.60, 95,408.52 and 40,474.16

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Solution

The fourth proportional to 69,137.60, 95,408.52 and 40,474.16 is: 55,853.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,137.60 : 95,408.52 = 40,474.16 : x
  2. Step 2: Convert to fraction form
    69,137.60/95,408.52 = 40,474.16/x
  3. Step 3: Cross multiply
    69,137.60x = 95,408.52 × 40,474.16
  4. Step 4: Simplify right side
    69,137.60x = 3,861,579,703.84
  5. Step 5: Solve for x
    x = 3,861,579,703.84/69,137.60
  6. Step 6: Final answer
    x = 55,853.54

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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.