Home / 95,966.34-143,949.51-79,515.78

Finding the Fourth Proportional to 95,966.34, 143,949.51 and 79,515.78

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Solution

The fourth proportional to 95,966.34, 143,949.51 and 79,515.78 is: 119,273.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,966.34 : 143,949.51 = 79,515.78 : x
  2. Step 2: Convert to fraction form
    95,966.34/143,949.51 = 79,515.78/x
  3. Step 3: Cross multiply
    95,966.34x = 143,949.51 × 79,515.78
  4. Step 4: Simplify right side
    95,966.34x = 11,446,257,568.27
  5. Step 5: Solve for x
    x = 11,446,257,568.27/95,966.34
  6. Step 6: Final answer
    x = 119,273.67

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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.