Home / 74,765.05-111,991.80-37,211.25

Finding the Fourth Proportional to 74,765.05, 111,991.80 and 37,211.25

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Solution

The fourth proportional to 74,765.05, 111,991.80 and 37,211.25 is: 55,739.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,765.05 : 111,991.80 = 37,211.25 : x
  2. Step 2: Convert to fraction form
    74,765.05/111,991.80 = 37,211.25/x
  3. Step 3: Cross multiply
    74,765.05x = 111,991.80 × 37,211.25
  4. Step 4: Simplify right side
    74,765.05x = 4,167,354,867.75
  5. Step 5: Solve for x
    x = 4,167,354,867.75/74,765.05
  6. Step 6: Final answer
    x = 55,739.34

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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.