Home / 54,144.93-81,225.03-16,708.05

Finding the Fourth Proportional to 54,144.93, 81,225.03 and 16,708.05

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Solution

The fourth proportional to 54,144.93, 81,225.03 and 16,708.05 is: 25,064.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,144.93 : 81,225.03 = 16,708.05 : x
  2. Step 2: Convert to fraction form
    54,144.93/81,225.03 = 16,708.05/x
  3. Step 3: Cross multiply
    54,144.93x = 81,225.03 × 16,708.05
  4. Step 4: Simplify right side
    54,144.93x = 1,357,111,862.49
  5. Step 5: Solve for x
    x = 1,357,111,862.49/54,144.93
  6. Step 6: Final answer
    x = 25,064.43

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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.