Home / 85,255.24-117,609.42-60,119.32

Finding the Fourth Proportional to 85,255.24, 117,609.42 and 60,119.32

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Solution

The fourth proportional to 85,255.24, 117,609.42 and 60,119.32 is: 82,934.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,255.24 : 117,609.42 = 60,119.32 : x
  2. Step 2: Convert to fraction form
    85,255.24/117,609.42 = 60,119.32/x
  3. Step 3: Cross multiply
    85,255.24x = 117,609.42 × 60,119.32
  4. Step 4: Simplify right side
    85,255.24x = 7,070,598,355.99
  5. Step 5: Solve for x
    x = 7,070,598,355.99/85,255.24
  6. Step 6: Final answer
    x = 82,934.47

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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.