Home / 99,082.28-148,535.94-75,812.60

Finding the Fourth Proportional to 99,082.28, 148,535.94 and 75,812.60

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Solution

The fourth proportional to 99,082.28, 148,535.94 and 75,812.60 is: 113,651.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,082.28 : 148,535.94 = 75,812.60 : x
  2. Step 2: Convert to fraction form
    99,082.28/148,535.94 = 75,812.60/x
  3. Step 3: Cross multiply
    99,082.28x = 148,535.94 × 75,812.60
  4. Step 4: Simplify right side
    99,082.28x = 11,260,895,804.84
  5. Step 5: Solve for x
    x = 11,260,895,804.84/99,082.28
  6. Step 6: Final answer
    x = 113,651.96

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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.