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Finding the Fourth Proportional to 56,083.82, 84,163.13 and 29,091.03

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Solution

The fourth proportional to 56,083.82, 84,163.13 and 29,091.03 is: 43,655.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,083.82 : 84,163.13 = 29,091.03 : x
  2. Step 2: Convert to fraction form
    56,083.82/84,163.13 = 29,091.03/x
  3. Step 3: Cross multiply
    56,083.82x = 84,163.13 × 29,091.03
  4. Step 4: Simplify right side
    56,083.82x = 2,448,392,139.72
  5. Step 5: Solve for x
    x = 2,448,392,139.72/56,083.82
  6. Step 6: Final answer
    x = 43,655.95

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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.