Home / 72,231.45-108,336.08-27,851.75

Finding the Fourth Proportional to 72,231.45, 108,336.08 and 27,851.75

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Solution

The fourth proportional to 72,231.45, 108,336.08 and 27,851.75 is: 41,773.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,231.45 : 108,336.08 = 27,851.75 : x
  2. Step 2: Convert to fraction form
    72,231.45/108,336.08 = 27,851.75/x
  3. Step 3: Cross multiply
    72,231.45x = 108,336.08 × 27,851.75
  4. Step 4: Simplify right side
    72,231.45x = 3,017,349,350.35
  5. Step 5: Solve for x
    x = 3,017,349,350.35/72,231.45
  6. Step 6: Final answer
    x = 41,773.35

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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.