Home / 109,906.10-164,842.95-31,028.30

Finding the Fourth Proportional to 109,906.10, 164,842.95 and 31,028.30

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Solution

The fourth proportional to 109,906.10, 164,842.95 and 31,028.30 is: 46,537.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,906.10 : 164,842.95 = 31,028.30 : x
  2. Step 2: Convert to fraction form
    109,906.10/164,842.95 = 31,028.30/x
  3. Step 3: Cross multiply
    109,906.10x = 164,842.95 × 31,028.30
  4. Step 4: Simplify right side
    109,906.10x = 5,114,796,505.49
  5. Step 5: Solve for x
    x = 5,114,796,505.49/109,906.10
  6. Step 6: Final answer
    x = 46,537.88

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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.