Home / 54,755.36-82,132.32-13,202

Finding the Fourth Proportional to 54,755.36, 82,132.32 and 13,202

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Solution

The fourth proportional to 54,755.36, 82,132.32 and 13,202 is: 19,802.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,755.36 : 82,132.32 = 13,202 : x
  2. Step 2: Convert to fraction form
    54,755.36/82,132.32 = 13,202/x
  3. Step 3: Cross multiply
    54,755.36x = 82,132.32 × 13,202
  4. Step 4: Simplify right side
    54,755.36x = 1,084,310,888.64
  5. Step 5: Solve for x
    x = 1,084,310,888.64/54,755.36
  6. Step 6: Final answer
    x = 19,802.83

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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.