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Finding the Fourth Proportional to 76,082.40, 104,777.52 and 74,454.24

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Solution

The fourth proportional to 76,082.40, 104,777.52 and 74,454.24 is: 102,535.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,082.40 : 104,777.52 = 74,454.24 : x
  2. Step 2: Convert to fraction form
    76,082.40/104,777.52 = 74,454.24/x
  3. Step 3: Cross multiply
    76,082.40x = 104,777.52 × 74,454.24
  4. Step 4: Simplify right side
    76,082.40x = 7,801,130,620.68
  5. Step 5: Solve for x
    x = 7,801,130,620.68/76,082.40
  6. Step 6: Final answer
    x = 102,535.29

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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.