Home / 54,454.82-81,669.26-15,015.11

Finding the Fourth Proportional to 54,454.82, 81,669.26 and 15,015.11

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Solution

The fourth proportional to 54,454.82, 81,669.26 and 15,015.11 is: 22,519.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,454.82 : 81,669.26 = 15,015.11 : x
  2. Step 2: Convert to fraction form
    54,454.82/81,669.26 = 15,015.11/x
  3. Step 3: Cross multiply
    54,454.82x = 81,669.26 × 15,015.11
  4. Step 4: Simplify right side
    54,454.82x = 1,226,272,551.71
  5. Step 5: Solve for x
    x = 1,226,272,551.71/54,454.82
  6. Step 6: Final answer
    x = 22,519.08

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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.