Home / 74,129.36-111,194.27-17,969.25

Finding the Fourth Proportional to 74,129.36, 111,194.27 and 17,969.25

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Solution

The fourth proportional to 74,129.36, 111,194.27 and 17,969.25 is: 26,953.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,129.36 : 111,194.27 = 17,969.25 : x
  2. Step 2: Convert to fraction form
    74,129.36/111,194.27 = 17,969.25/x
  3. Step 3: Cross multiply
    74,129.36x = 111,194.27 × 17,969.25
  4. Step 4: Simplify right side
    74,129.36x = 1,998,077,546.35
  5. Step 5: Solve for x
    x = 1,998,077,546.35/74,129.36
  6. Step 6: Final answer
    x = 26,953.93

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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.