Home / 86,181.28-118,939.52-50,383.36

Finding the Fourth Proportional to 86,181.28, 118,939.52 and 50,383.36

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Solution

The fourth proportional to 86,181.28, 118,939.52 and 50,383.36 is: 69,534.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,181.28 : 118,939.52 = 50,383.36 : x
  2. Step 2: Convert to fraction form
    86,181.28/118,939.52 = 50,383.36/x
  3. Step 3: Cross multiply
    86,181.28x = 118,939.52 × 50,383.36
  4. Step 4: Simplify right side
    86,181.28x = 5,992,572,654.39
  5. Step 5: Solve for x
    x = 5,992,572,654.39/86,181.28
  6. Step 6: Final answer
    x = 69,534.51

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