Home / 109,680.13-164,499.42-53,463.76

Finding the Fourth Proportional to 109,680.13, 164,499.42 and 53,463.76

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Solution

The fourth proportional to 109,680.13, 164,499.42 and 53,463.76 is: 80,185.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,680.13 : 164,499.42 = 53,463.76 : x
  2. Step 2: Convert to fraction form
    109,680.13/164,499.42 = 53,463.76/x
  3. Step 3: Cross multiply
    109,680.13x = 164,499.42 × 53,463.76
  4. Step 4: Simplify right side
    109,680.13x = 8,794,757,511.02
  5. Step 5: Solve for x
    x = 8,794,757,511.02/109,680.13
  6. Step 6: Final answer
    x = 80,185.51

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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.