Home / 109,971.10-164,940.45-31,093.30

Finding the Fourth Proportional to 109,971.10, 164,940.45 and 31,093.30

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Solution

The fourth proportional to 109,971.10, 164,940.45 and 31,093.30 is: 46,635.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,971.10 : 164,940.45 = 31,093.30 : x
  2. Step 2: Convert to fraction form
    109,971.10/164,940.45 = 31,093.30/x
  3. Step 3: Cross multiply
    109,971.10x = 164,940.45 × 31,093.30
  4. Step 4: Simplify right side
    109,971.10x = 5,128,542,893.99
  5. Step 5: Solve for x
    x = 5,128,542,893.99/109,971.10
  6. Step 6: Final answer
    x = 46,635.37

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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.