Home / 85,324.24-117,738.12-60,130

Finding the Fourth Proportional to 85,324.24, 117,738.12 and 60,130

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Solution

The fourth proportional to 85,324.24, 117,738.12 and 60,130 is: 82,972.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,324.24 : 117,738.12 = 60,130 : x
  2. Step 2: Convert to fraction form
    85,324.24/117,738.12 = 60,130/x
  3. Step 3: Cross multiply
    85,324.24x = 117,738.12 × 60,130
  4. Step 4: Simplify right side
    85,324.24x = 7,079,593,155.60
  5. Step 5: Solve for x
    x = 7,079,593,155.60/85,324.24
  6. Step 6: Final answer
    x = 82,972.82

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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.