Home / 74,129.52-111,194.50-17,969.41

Finding the Fourth Proportional to 74,129.52, 111,194.50 and 17,969.41

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Solution

The fourth proportional to 74,129.52, 111,194.50 and 17,969.41 is: 26,954.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,129.52 : 111,194.50 = 17,969.41 : x
  2. Step 2: Convert to fraction form
    74,129.52/111,194.50 = 17,969.41/x
  3. Step 3: Cross multiply
    74,129.52x = 111,194.50 × 17,969.41
  4. Step 4: Simplify right side
    74,129.52x = 1,998,099,560.25
  5. Step 5: Solve for x
    x = 1,998,099,560.25/74,129.52
  6. Step 6: Final answer
    x = 26,954.17

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1.5x scale

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.