Home / 54,871.20-75,727.83-39,570.33

Finding the Fourth Proportional to 54,871.20, 75,727.83 and 39,570.33

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Solution

The fourth proportional to 54,871.20, 75,727.83 and 39,570.33 is: 54,611.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,871.20 : 75,727.83 = 39,570.33 : x
  2. Step 2: Convert to fraction form
    54,871.20/75,727.83 = 39,570.33/x
  3. Step 3: Cross multiply
    54,871.20x = 75,727.83 × 39,570.33
  4. Step 4: Simplify right side
    54,871.20x = 2,996,575,223.28
  5. Step 5: Solve for x
    x = 2,996,575,223.28/54,871.20
  6. Step 6: Final answer
    x = 54,611.08

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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.