Home / 85,137.67-117,367.24-59,564.81

Finding the Fourth Proportional to 85,137.67, 117,367.24 and 59,564.81

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Solution

The fourth proportional to 85,137.67, 117,367.24 and 59,564.81 is: 82,113.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,137.67 : 117,367.24 = 59,564.81 : x
  2. Step 2: Convert to fraction form
    85,137.67/117,367.24 = 59,564.81/x
  3. Step 3: Cross multiply
    85,137.67x = 117,367.24 × 59,564.81
  4. Step 4: Simplify right side
    85,137.67x = 6,990,957,350.82
  5. Step 5: Solve for x
    x = 6,990,957,350.82/85,137.67
  6. Step 6: Final answer
    x = 82,113.56

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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.