Home / 91,194.14-125,850-57,204.02

Finding the Fourth Proportional to 91,194.14, 125,850 and 57,204.02

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Solution

The fourth proportional to 91,194.14, 125,850 and 57,204.02 is: 78,942.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,194.14 : 125,850 = 57,204.02 : x
  2. Step 2: Convert to fraction form
    91,194.14/125,850 = 57,204.02/x
  3. Step 3: Cross multiply
    91,194.14x = 125,850 × 57,204.02
  4. Step 4: Simplify right side
    91,194.14x = 7,199,125,917
  5. Step 5: Solve for x
    x = 7,199,125,917/91,194.14
  6. Step 6: Final answer
    x = 78,942.86

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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.