Home / 54,609.07-81,924.54-17,178.56

Finding the Fourth Proportional to 54,609.07, 81,924.54 and 17,178.56

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Solution

The fourth proportional to 54,609.07, 81,924.54 and 17,178.56 is: 25,771.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,609.07 : 81,924.54 = 17,178.56 : x
  2. Step 2: Convert to fraction form
    54,609.07/81,924.54 = 17,178.56/x
  3. Step 3: Cross multiply
    54,609.07x = 81,924.54 × 17,178.56
  4. Step 4: Simplify right side
    54,609.07x = 1,407,345,830.67
  5. Step 5: Solve for x
    x = 1,407,345,830.67/54,609.07
  6. Step 6: Final answer
    x = 25,771.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.