Home / 54,755.97-75,563.09-30,556.68

Finding the Fourth Proportional to 54,755.97, 75,563.09 and 30,556.68

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Solution

The fourth proportional to 54,755.97, 75,563.09 and 30,556.68 is: 42,168.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,755.97 : 75,563.09 = 30,556.68 : x
  2. Step 2: Convert to fraction form
    54,755.97/75,563.09 = 30,556.68/x
  3. Step 3: Cross multiply
    54,755.97x = 75,563.09 × 30,556.68
  4. Step 4: Simplify right side
    54,755.97x = 2,308,956,630.34
  5. Step 5: Solve for x
    x = 2,308,956,630.34/54,755.97
  6. Step 6: Final answer
    x = 42,168.13

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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.