Home / 69,976.38-96,563.77-39,757.51

Finding the Fourth Proportional to 69,976.38, 96,563.77 and 39,757.51

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Solution

The fourth proportional to 69,976.38, 96,563.77 and 39,757.51 is: 54,863.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,976.38 : 96,563.77 = 39,757.51 : x
  2. Step 2: Convert to fraction form
    69,976.38/96,563.77 = 39,757.51/x
  3. Step 3: Cross multiply
    69,976.38x = 96,563.77 × 39,757.51
  4. Step 4: Simplify right side
    69,976.38x = 3,839,135,051.41
  5. Step 5: Solve for x
    x = 3,839,135,051.41/69,976.38
  6. Step 6: Final answer
    x = 54,863.30

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1.5x scale

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.