Home / 112,919.56-169,401.30-34,029.88

Finding the Fourth Proportional to 112,919.56, 169,401.30 and 34,029.88

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Solution

The fourth proportional to 112,919.56, 169,401.30 and 34,029.88 is: 51,051.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,919.56 : 169,401.30 = 34,029.88 : x
  2. Step 2: Convert to fraction form
    112,919.56/169,401.30 = 34,029.88/x
  3. Step 3: Cross multiply
    112,919.56x = 169,401.30 × 34,029.88
  4. Step 4: Simplify right side
    112,919.56x = 5,764,705,910.84
  5. Step 5: Solve for x
    x = 5,764,705,910.84/112,919.56
  6. Step 6: Final answer
    x = 51,051.44

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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.