Home / 54,855.94-75,701.25-30,982.66

Finding the Fourth Proportional to 54,855.94, 75,701.25 and 30,982.66

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Solution

The fourth proportional to 54,855.94, 75,701.25 and 30,982.66 is: 42,756.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,855.94 : 75,701.25 = 30,982.66 : x
  2. Step 2: Convert to fraction form
    54,855.94/75,701.25 = 30,982.66/x
  3. Step 3: Cross multiply
    54,855.94x = 75,701.25 × 30,982.66
  4. Step 4: Simplify right side
    54,855.94x = 2,345,426,090.33
  5. Step 5: Solve for x
    x = 2,345,426,090.33/54,855.94
  6. Step 6: Final answer
    x = 42,756.10

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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.