Home / 54,753.28-75,561.74-30,556.36

Finding the Fourth Proportional to 54,753.28, 75,561.74 and 30,556.36

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Solution

The fourth proportional to 54,753.28, 75,561.74 and 30,556.36 is: 42,169.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,753.28 : 75,561.74 = 30,556.36 : x
  2. Step 2: Convert to fraction form
    54,753.28/75,561.74 = 30,556.36/x
  3. Step 3: Cross multiply
    54,753.28x = 75,561.74 × 30,556.36
  4. Step 4: Simplify right side
    54,753.28x = 2,308,891,729.67
  5. Step 5: Solve for x
    x = 2,308,891,729.67/54,753.28
  6. Step 6: Final answer
    x = 42,169.01

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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.