Home / 101,078.10-151,653.60-41,931.90

Finding the Fourth Proportional to 101,078.10, 151,653.60 and 41,931.90

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Solution

The fourth proportional to 101,078.10, 151,653.60 and 41,931.90 is: 62,912.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,078.10 : 151,653.60 = 41,931.90 : x
  2. Step 2: Convert to fraction form
    101,078.10/151,653.60 = 41,931.90/x
  3. Step 3: Cross multiply
    101,078.10x = 151,653.60 × 41,931.90
  4. Step 4: Simplify right side
    101,078.10x = 6,359,123,589.84
  5. Step 5: Solve for x
    x = 6,359,123,589.84/101,078.10
  6. Step 6: Final answer
    x = 62,912.97

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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.