Home / 54,919.48-75,851.12-36,983.28

Finding the Fourth Proportional to 54,919.48, 75,851.12 and 36,983.28

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Solution

The fourth proportional to 54,919.48, 75,851.12 and 36,983.28 is: 51,078.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,919.48 : 75,851.12 = 36,983.28 : x
  2. Step 2: Convert to fraction form
    54,919.48/75,851.12 = 36,983.28/x
  3. Step 3: Cross multiply
    54,919.48x = 75,851.12 × 36,983.28
  4. Step 4: Simplify right side
    54,919.48x = 2,805,223,209.27
  5. Step 5: Solve for x
    x = 2,805,223,209.27/54,919.48
  6. Step 6: Final answer
    x = 51,078.84

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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.