Home / 54,354.68-75,009.40-31,694.60

Finding the Fourth Proportional to 54,354.68, 75,009.40 and 31,694.60

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Solution

The fourth proportional to 54,354.68, 75,009.40 and 31,694.60 is: 43,738.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,354.68 : 75,009.40 = 31,694.60 : x
  2. Step 2: Convert to fraction form
    54,354.68/75,009.40 = 31,694.60/x
  3. Step 3: Cross multiply
    54,354.68x = 75,009.40 × 31,694.60
  4. Step 4: Simplify right side
    54,354.68x = 2,377,392,929.24
  5. Step 5: Solve for x
    x = 2,377,392,929.24/54,354.68
  6. Step 6: Final answer
    x = 43,738.51

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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.