Home / 91,221.56-125,884.44-50,935.96

Finding the Fourth Proportional to 91,221.56, 125,884.44 and 50,935.96

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Solution

The fourth proportional to 91,221.56, 125,884.44 and 50,935.96 is: 70,290.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,221.56 : 125,884.44 = 50,935.96 : x
  2. Step 2: Convert to fraction form
    91,221.56/125,884.44 = 50,935.96/x
  3. Step 3: Cross multiply
    91,221.56x = 125,884.44 × 50,935.96
  4. Step 4: Simplify right side
    91,221.56x = 6,412,044,800.46
  5. Step 5: Solve for x
    x = 6,412,044,800.46/91,221.56
  6. Step 6: Final answer
    x = 70,290.89

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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.