Home / 74,186.76-111,202.38-27,409.80

Finding the Fourth Proportional to 74,186.76, 111,202.38 and 27,409.80

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Solution

The fourth proportional to 74,186.76, 111,202.38 and 27,409.80 is: 41,085.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,186.76 : 111,202.38 = 27,409.80 : x
  2. Step 2: Convert to fraction form
    74,186.76/111,202.38 = 27,409.80/x
  3. Step 3: Cross multiply
    74,186.76x = 111,202.38 × 27,409.80
  4. Step 4: Simplify right side
    74,186.76x = 3,048,034,995.32
  5. Step 5: Solve for x
    x = 3,048,034,995.32/74,186.76
  6. Step 6: Final answer
    x = 41,085.97

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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.