Home / 74,194.26-102,388.23-40,203.06

Finding the Fourth Proportional to 74,194.26, 102,388.23 and 40,203.06

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Solution

The fourth proportional to 74,194.26, 102,388.23 and 40,203.06 is: 55,480.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,194.26 : 102,388.23 = 40,203.06 : x
  2. Step 2: Convert to fraction form
    74,194.26/102,388.23 = 40,203.06/x
  3. Step 3: Cross multiply
    74,194.26x = 102,388.23 × 40,203.06
  4. Step 4: Simplify right side
    74,194.26x = 4,116,320,153.98
  5. Step 5: Solve for x
    x = 4,116,320,153.98/74,194.26
  6. Step 6: Final answer
    x = 55,480.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.