Home / 74,261.67-111,399.05-20,954.11

Finding the Fourth Proportional to 74,261.67, 111,399.05 and 20,954.11

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Solution

The fourth proportional to 74,261.67, 111,399.05 and 20,954.11 is: 31,433.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,261.67 : 111,399.05 = 20,954.11 : x
  2. Step 2: Convert to fraction form
    74,261.67/111,399.05 = 20,954.11/x
  3. Step 3: Cross multiply
    74,261.67x = 111,399.05 × 20,954.11
  4. Step 4: Simplify right side
    74,261.67x = 2,334,267,947.60
  5. Step 5: Solve for x
    x = 2,334,267,947.60/74,261.67
  6. Step 6: Final answer
    x = 31,433.01

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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.