Home / 99,311.82-148,967.13-43,144.62

Finding the Fourth Proportional to 99,311.82, 148,967.13 and 43,144.62

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Solution

The fourth proportional to 99,311.82, 148,967.13 and 43,144.62 is: 64,716.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,311.82 : 148,967.13 = 43,144.62 : x
  2. Step 2: Convert to fraction form
    99,311.82/148,967.13 = 43,144.62/x
  3. Step 3: Cross multiply
    99,311.82x = 148,967.13 × 43,144.62
  4. Step 4: Simplify right side
    99,311.82x = 6,427,130,216.34
  5. Step 5: Solve for x
    x = 6,427,130,216.34/99,311.82
  6. Step 6: Final answer
    x = 64,716.67

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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.