Home / 54,196.79-81,274.95-18,648.14

Finding the Fourth Proportional to 54,196.79, 81,274.95 and 18,648.14

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Solution

The fourth proportional to 54,196.79, 81,274.95 and 18,648.14 is: 27,965.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,196.79 : 81,274.95 = 18,648.14 : x
  2. Step 2: Convert to fraction form
    54,196.79/81,274.95 = 18,648.14/x
  3. Step 3: Cross multiply
    54,196.79x = 81,274.95 × 18,648.14
  4. Step 4: Simplify right side
    54,196.79x = 1,515,626,239.72
  5. Step 5: Solve for x
    x = 1,515,626,239.72/54,196.79
  6. Step 6: Final answer
    x = 27,965.24

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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.