Home / 99,251.42-148,876.16-40,086.04

Finding the Fourth Proportional to 99,251.42, 148,876.16 and 40,086.04

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Solution

The fourth proportional to 99,251.42, 148,876.16 and 40,086.04 is: 60,128.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,251.42 : 148,876.16 = 40,086.04 : x
  2. Step 2: Convert to fraction form
    99,251.42/148,876.16 = 40,086.04/x
  3. Step 3: Cross multiply
    99,251.42x = 148,876.16 × 40,086.04
  4. Step 4: Simplify right side
    99,251.42x = 5,967,855,704.81
  5. Step 5: Solve for x
    x = 5,967,855,704.81/99,251.42
  6. Step 6: Final answer
    x = 60,128.67

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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.