Home / 71,134.97-98,168.24-39,305.93

Finding the Fourth Proportional to 71,134.97, 98,168.24 and 39,305.93

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Solution

The fourth proportional to 71,134.97, 98,168.24 and 39,305.93 is: 54,243.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,134.97 : 98,168.24 = 39,305.93 : x
  2. Step 2: Convert to fraction form
    71,134.97/98,168.24 = 39,305.93/x
  3. Step 3: Cross multiply
    71,134.97x = 98,168.24 × 39,305.93
  4. Step 4: Simplify right side
    71,134.97x = 3,858,594,313.35
  5. Step 5: Solve for x
    x = 3,858,594,313.35/71,134.97
  6. Step 6: Final answer
    x = 54,243.28

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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.