Home / 54,085.51-81,121.43-16,645.44

Finding the Fourth Proportional to 54,085.51, 81,121.43 and 16,645.44

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Solution

The fourth proportional to 54,085.51, 81,121.43 and 16,645.44 is: 24,966.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,085.51 : 81,121.43 = 16,645.44 : x
  2. Step 2: Convert to fraction form
    54,085.51/81,121.43 = 16,645.44/x
  3. Step 3: Cross multiply
    54,085.51x = 81,121.43 × 16,645.44
  4. Step 4: Simplify right side
    54,085.51x = 1,350,301,895.78
  5. Step 5: Solve for x
    x = 1,350,301,895.78/54,085.51
  6. Step 6: Final answer
    x = 24,966.06

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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.