Home / 54,557.82-81,838.26-15,117.84

Finding the Fourth Proportional to 54,557.82, 81,838.26 and 15,117.84

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Solution

The fourth proportional to 54,557.82, 81,838.26 and 15,117.84 is: 22,677.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,557.82 : 81,838.26 = 15,117.84 : x
  2. Step 2: Convert to fraction form
    54,557.82/81,838.26 = 15,117.84/x
  3. Step 3: Cross multiply
    54,557.82x = 81,838.26 × 15,117.84
  4. Step 4: Simplify right side
    54,557.82x = 1,237,217,720.56
  5. Step 5: Solve for x
    x = 1,237,217,720.56/54,557.82
  6. Step 6: Final answer
    x = 22,677.18

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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.