Home / 54,971.02-82,456.72-13,418.02

Finding the Fourth Proportional to 54,971.02, 82,456.72 and 13,418.02

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Solution

The fourth proportional to 54,971.02, 82,456.72 and 13,418.02 is: 20,127.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,971.02 : 82,456.72 = 13,418.02 : x
  2. Step 2: Convert to fraction form
    54,971.02/82,456.72 = 13,418.02/x
  3. Step 3: Cross multiply
    54,971.02x = 82,456.72 × 13,418.02
  4. Step 4: Simplify right side
    54,971.02x = 1,106,405,918.09
  5. Step 5: Solve for x
    x = 1,106,405,918.09/54,971.02
  6. Step 6: Final answer
    x = 20,127.08

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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.