Home / 69,137.36-95,410.12-39,331.28

Finding the Fourth Proportional to 69,137.36, 95,410.12 and 39,331.28

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Solution

The fourth proportional to 69,137.36, 95,410.12 and 39,331.28 is: 54,277.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,137.36 : 95,410.12 = 39,331.28 : x
  2. Step 2: Convert to fraction form
    69,137.36/95,410.12 = 39,331.28/x
  3. Step 3: Cross multiply
    69,137.36x = 95,410.12 × 39,331.28
  4. Step 4: Simplify right side
    69,137.36x = 3,752,602,144.55
  5. Step 5: Solve for x
    x = 3,752,602,144.55/69,137.36
  6. Step 6: Final answer
    x = 54,277.49

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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.