Home / 85,204.08-117,581.40-49,414.86

Finding the Fourth Proportional to 85,204.08, 117,581.40 and 49,414.86

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Solution

The fourth proportional to 85,204.08, 117,581.40 and 49,414.86 is: 68,192.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,204.08 : 117,581.40 = 49,414.86 : x
  2. Step 2: Convert to fraction form
    85,204.08/117,581.40 = 49,414.86/x
  3. Step 3: Cross multiply
    85,204.08x = 117,581.40 × 49,414.86
  4. Step 4: Simplify right side
    85,204.08x = 5,810,268,419.60
  5. Step 5: Solve for x
    x = 5,810,268,419.60/85,204.08
  6. Step 6: Final answer
    x = 68,192.37

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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.