Home / 76,082.64-104,997.14-42,090.54

Finding the Fourth Proportional to 76,082.64, 104,997.14 and 42,090.54

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Solution

The fourth proportional to 76,082.64, 104,997.14 and 42,090.54 is: 58,086.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,082.64 : 104,997.14 = 42,090.54 : x
  2. Step 2: Convert to fraction form
    76,082.64/104,997.14 = 42,090.54/x
  3. Step 3: Cross multiply
    76,082.64x = 104,997.14 × 42,090.54
  4. Step 4: Simplify right side
    76,082.64x = 4,419,386,321.06
  5. Step 5: Solve for x
    x = 4,419,386,321.06/76,082.64
  6. Step 6: Final answer
    x = 58,086.66

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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.