Home / 56,105.21-84,098.75-18,655.22

Finding the Fourth Proportional to 56,105.21, 84,098.75 and 18,655.22

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Solution

The fourth proportional to 56,105.21, 84,098.75 and 18,655.22 is: 27,963.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,105.21 : 84,098.75 = 18,655.22 : x
  2. Step 2: Convert to fraction form
    56,105.21/84,098.75 = 18,655.22/x
  3. Step 3: Cross multiply
    56,105.21x = 84,098.75 × 18,655.22
  4. Step 4: Simplify right side
    56,105.21x = 1,568,880,799.95
  5. Step 5: Solve for x
    x = 1,568,880,799.95/56,105.21
  6. Step 6: Final answer
    x = 27,963.19

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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.