Home / 69,344.64-95,690.16-39,137.31

Finding the Fourth Proportional to 69,344.64, 95,690.16 and 39,137.31

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Solution

The fourth proportional to 69,344.64, 95,690.16 and 39,137.31 is: 54,006.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,344.64 : 95,690.16 = 39,137.31 : x
  2. Step 2: Convert to fraction form
    69,344.64/95,690.16 = 39,137.31/x
  3. Step 3: Cross multiply
    69,344.64x = 95,690.16 × 39,137.31
  4. Step 4: Simplify right side
    69,344.64x = 3,745,055,455.87
  5. Step 5: Solve for x
    x = 3,745,055,455.87/69,344.64
  6. Step 6: Final answer
    x = 54,006.42

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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.