Home / 74,693.28-112,035.96-27,942.60

Finding the Fourth Proportional to 74,693.28, 112,035.96 and 27,942.60

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Solution

The fourth proportional to 74,693.28, 112,035.96 and 27,942.60 is: 41,912.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,693.28 : 112,035.96 = 27,942.60 : x
  2. Step 2: Convert to fraction form
    74,693.28/112,035.96 = 27,942.60/x
  3. Step 3: Cross multiply
    74,693.28x = 112,035.96 × 27,942.60
  4. Step 4: Simplify right side
    74,693.28x = 3,130,576,015.90
  5. Step 5: Solve for x
    x = 3,130,576,015.90/74,693.28
  6. Step 6: Final answer
    x = 41,912.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.