Home / 63,074.72-94,619.40-20,958.56

Finding the Fourth Proportional to 63,074.72, 94,619.40 and 20,958.56

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Solution

The fourth proportional to 63,074.72, 94,619.40 and 20,958.56 is: 31,440.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,074.72 : 94,619.40 = 20,958.56 : x
  2. Step 2: Convert to fraction form
    63,074.72/94,619.40 = 20,958.56/x
  3. Step 3: Cross multiply
    63,074.72x = 94,619.40 × 20,958.56
  4. Step 4: Simplify right side
    63,074.72x = 1,983,086,372.06
  5. Step 5: Solve for x
    x = 1,983,086,372.06/63,074.72
  6. Step 6: Final answer
    x = 31,440.27

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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.