Home / 55,109.30-76,028.96-35,982.97

Finding the Fourth Proportional to 55,109.30, 76,028.96 and 35,982.97

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Solution

The fourth proportional to 55,109.30, 76,028.96 and 35,982.97 is: 49,642.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,109.30 : 76,028.96 = 35,982.97 : x
  2. Step 2: Convert to fraction form
    55,109.30/76,028.96 = 35,982.97/x
  3. Step 3: Cross multiply
    55,109.30x = 76,028.96 × 35,982.97
  4. Step 4: Simplify right side
    55,109.30x = 2,735,747,686.70
  5. Step 5: Solve for x
    x = 2,735,747,686.70/55,109.30
  6. Step 6: Final answer
    x = 49,642.22

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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.