Home / 110,966.45-166,491.57-66,624.12

Finding the Fourth Proportional to 110,966.45, 166,491.57 and 66,624.12

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Solution

The fourth proportional to 110,966.45, 166,491.57 and 66,624.12 is: 99,961.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,966.45 : 166,491.57 = 66,624.12 : x
  2. Step 2: Convert to fraction form
    110,966.45/166,491.57 = 66,624.12/x
  3. Step 3: Cross multiply
    110,966.45x = 166,491.57 × 66,624.12
  4. Step 4: Simplify right side
    110,966.45x = 11,092,354,338.67
  5. Step 5: Solve for x
    x = 11,092,354,338.67/110,966.45
  6. Step 6: Final answer
    x = 99,961.34

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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.