Home / 91,743.44-126,641.96-61,517.72

Finding the Fourth Proportional to 91,743.44, 126,641.96 and 61,517.72

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Solution

The fourth proportional to 91,743.44, 126,641.96 and 61,517.72 is: 84,918.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,743.44 : 126,641.96 = 61,517.72 : x
  2. Step 2: Convert to fraction form
    91,743.44/126,641.96 = 61,517.72/x
  3. Step 3: Cross multiply
    91,743.44x = 126,641.96 × 61,517.72
  4. Step 4: Simplify right side
    91,743.44x = 7,790,724,635.53
  5. Step 5: Solve for x
    x = 7,790,724,635.53/91,743.44
  6. Step 6: Final answer
    x = 84,918.60

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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.