Home / 54,578.16-81,872.10-23,406.12

Finding the Fourth Proportional to 54,578.16, 81,872.10 and 23,406.12

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Solution

The fourth proportional to 54,578.16, 81,872.10 and 23,406.12 is: 35,111.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,578.16 : 81,872.10 = 23,406.12 : x
  2. Step 2: Convert to fraction form
    54,578.16/81,872.10 = 23,406.12/x
  3. Step 3: Cross multiply
    54,578.16x = 81,872.10 × 23,406.12
  4. Step 4: Simplify right side
    54,578.16x = 1,916,308,197.25
  5. Step 5: Solve for x
    x = 1,916,308,197.25/54,578.16
  6. Step 6: Final answer
    x = 35,111.26

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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.