Home / 71,905.74-99,230.25-41,708.94

Finding the Fourth Proportional to 71,905.74, 99,230.25 and 41,708.94

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Solution

The fourth proportional to 71,905.74, 99,230.25 and 41,708.94 is: 57,558.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,905.74 : 99,230.25 = 41,708.94 : x
  2. Step 2: Convert to fraction form
    71,905.74/99,230.25 = 41,708.94/x
  3. Step 3: Cross multiply
    71,905.74x = 99,230.25 × 41,708.94
  4. Step 4: Simplify right side
    71,905.74x = 4,138,788,327.73
  5. Step 5: Solve for x
    x = 4,138,788,327.73/71,905.74
  6. Step 6: Final answer
    x = 57,558.53

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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.