Home / 76,227.40-105,193.86-41,771.98

Finding the Fourth Proportional to 76,227.40, 105,193.86 and 41,771.98

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Solution

The fourth proportional to 76,227.40, 105,193.86 and 41,771.98 is: 57,645.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,227.40 : 105,193.86 = 41,771.98 : x
  2. Step 2: Convert to fraction form
    76,227.40/105,193.86 = 41,771.98/x
  3. Step 3: Cross multiply
    76,227.40x = 105,193.86 × 41,771.98
  4. Step 4: Simplify right side
    76,227.40x = 4,394,155,816.04
  5. Step 5: Solve for x
    x = 4,394,155,816.04/76,227.40
  6. Step 6: Final answer
    x = 57,645.36

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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.