Home / 72,958.12-100,682.04-41,126.79

Finding the Fourth Proportional to 72,958.12, 100,682.04 and 41,126.79

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Solution

The fourth proportional to 72,958.12, 100,682.04 and 41,126.79 is: 56,754.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,958.12 : 100,682.04 = 41,126.79 : x
  2. Step 2: Convert to fraction form
    72,958.12/100,682.04 = 41,126.79/x
  3. Step 3: Cross multiply
    72,958.12x = 100,682.04 × 41,126.79
  4. Step 4: Simplify right side
    72,958.12x = 4,140,728,849.96
  5. Step 5: Solve for x
    x = 4,140,728,849.96/72,958.12
  6. Step 6: Final answer
    x = 56,754.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.