Home / 91,858.87-126,761.10-51,571.90

Finding the Fourth Proportional to 91,858.87, 126,761.10 and 51,571.90

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Solution

The fourth proportional to 91,858.87, 126,761.10 and 51,571.90 is: 71,166.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,858.87 : 126,761.10 = 51,571.90 : x
  2. Step 2: Convert to fraction form
    91,858.87/126,761.10 = 51,571.90/x
  3. Step 3: Cross multiply
    91,858.87x = 126,761.10 × 51,571.90
  4. Step 4: Simplify right side
    91,858.87x = 6,537,310,773.09
  5. Step 5: Solve for x
    x = 6,537,310,773.09/91,858.87
  6. Step 6: Final answer
    x = 71,166.90

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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.