Home / 72,923.88-109,337.20-26,170.68

Finding the Fourth Proportional to 72,923.88, 109,337.20 and 26,170.68

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Solution

The fourth proportional to 72,923.88, 109,337.20 and 26,170.68 is: 39,238.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,923.88 : 109,337.20 = 26,170.68 : x
  2. Step 2: Convert to fraction form
    72,923.88/109,337.20 = 26,170.68/x
  3. Step 3: Cross multiply
    72,923.88x = 109,337.20 × 26,170.68
  4. Step 4: Simplify right side
    72,923.88x = 2,861,428,873.30
  5. Step 5: Solve for x
    x = 2,861,428,873.30/72,923.88
  6. Step 6: Final answer
    x = 39,238.57

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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.