Home / 54,526.50-81,789.78-17,089.49

Finding the Fourth Proportional to 54,526.50, 81,789.78 and 17,089.49

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Solution

The fourth proportional to 54,526.50, 81,789.78 and 17,089.49 is: 25,634.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,526.50 : 81,789.78 = 17,089.49 : x
  2. Step 2: Convert to fraction form
    54,526.50/81,789.78 = 17,089.49/x
  3. Step 3: Cross multiply
    54,526.50x = 81,789.78 × 17,089.49
  4. Step 4: Simplify right side
    54,526.50x = 1,397,745,133.02
  5. Step 5: Solve for x
    x = 1,397,745,133.02/54,526.50
  6. Step 6: Final answer
    x = 25,634.24

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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.