Home / 109,634.85-164,438.60-30,755.23

Finding the Fourth Proportional to 109,634.85, 164,438.60 and 30,755.23

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Solution

The fourth proportional to 109,634.85, 164,438.60 and 30,755.23 is: 46,129.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,634.85 : 164,438.60 = 30,755.23 : x
  2. Step 2: Convert to fraction form
    109,634.85/164,438.60 = 30,755.23/x
  3. Step 3: Cross multiply
    109,634.85x = 164,438.60 × 30,755.23
  4. Step 4: Simplify right side
    109,634.85x = 5,057,346,629.67
  5. Step 5: Solve for x
    x = 5,057,346,629.67/109,634.85
  6. Step 6: Final answer
    x = 46,129.01

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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.