Home / 54,265.10-81,392.52-19,202.90

Finding the Fourth Proportional to 54,265.10, 81,392.52 and 19,202.90

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Solution

The fourth proportional to 54,265.10, 81,392.52 and 19,202.90 is: 28,802.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,265.10 : 81,392.52 = 19,202.90 : x
  2. Step 2: Convert to fraction form
    54,265.10/81,392.52 = 19,202.90/x
  3. Step 3: Cross multiply
    54,265.10x = 81,392.52 × 19,202.90
  4. Step 4: Simplify right side
    54,265.10x = 1,562,972,422.31
  5. Step 5: Solve for x
    x = 1,562,972,422.31/54,265.10
  6. Step 6: Final answer
    x = 28,802.53

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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.