Home / 109,676.13-164,493.42-53,459.76

Finding the Fourth Proportional to 109,676.13, 164,493.42 and 53,459.76

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Solution

The fourth proportional to 109,676.13, 164,493.42 and 53,459.76 is: 80,179.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,676.13 : 164,493.42 = 53,459.76 : x
  2. Step 2: Convert to fraction form
    109,676.13/164,493.42 = 53,459.76/x
  3. Step 3: Cross multiply
    109,676.13x = 164,493.42 × 53,459.76
  4. Step 4: Simplify right side
    109,676.13x = 8,793,778,754.78
  5. Step 5: Solve for x
    x = 8,793,778,754.78/109,676.13
  6. Step 6: Final answer
    x = 80,179.51

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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.