Home / 43,775.24-65,662.28-20,076.04

Finding the Fourth Proportional to 43,775.24, 65,662.28 and 20,076.04

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Solution

The fourth proportional to 43,775.24, 65,662.28 and 20,076.04 is: 30,113.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,775.24 : 65,662.28 = 20,076.04 : x
  2. Step 2: Convert to fraction form
    43,775.24/65,662.28 = 20,076.04/x
  3. Step 3: Cross multiply
    43,775.24x = 65,662.28 × 20,076.04
  4. Step 4: Simplify right side
    43,775.24x = 1,318,238,559.77
  5. Step 5: Solve for x
    x = 1,318,238,559.77/43,775.24
  6. Step 6: Final answer
    x = 30,113.79

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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.