Home / 85,163.36-117,519.75-49,346.96

Finding the Fourth Proportional to 85,163.36, 117,519.75 and 49,346.96

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Solution

The fourth proportional to 85,163.36, 117,519.75 and 49,346.96 is: 68,095.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,163.36 : 117,519.75 = 49,346.96 : x
  2. Step 2: Convert to fraction form
    85,163.36/117,519.75 = 49,346.96/x
  3. Step 3: Cross multiply
    85,163.36x = 117,519.75 × 49,346.96
  4. Step 4: Simplify right side
    85,163.36x = 5,799,241,814.86
  5. Step 5: Solve for x
    x = 5,799,241,814.86/85,163.36
  6. Step 6: Final answer
    x = 68,095.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.