Home / 76,231.40-105,199.38-41,775.98

Finding the Fourth Proportional to 76,231.40, 105,199.38 and 41,775.98

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Solution

The fourth proportional to 76,231.40, 105,199.38 and 41,775.98 is: 57,650.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,231.40 : 105,199.38 = 41,775.98 : x
  2. Step 2: Convert to fraction form
    76,231.40/105,199.38 = 41,775.98/x
  3. Step 3: Cross multiply
    76,231.40x = 105,199.38 × 41,775.98
  4. Step 4: Simplify right side
    76,231.40x = 4,394,807,194.89
  5. Step 5: Solve for x
    x = 4,394,807,194.89/76,231.40
  6. Step 6: Final answer
    x = 57,650.88

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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.