Home / 91,190.44-125,743.62-59,300.20

Finding the Fourth Proportional to 91,190.44, 125,743.62 and 59,300.20

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Solution

The fourth proportional to 91,190.44, 125,743.62 and 59,300.20 is: 81,769.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,190.44 : 125,743.62 = 59,300.20 : x
  2. Step 2: Convert to fraction form
    91,190.44/125,743.62 = 59,300.20/x
  3. Step 3: Cross multiply
    91,190.44x = 125,743.62 × 59,300.20
  4. Step 4: Simplify right side
    91,190.44x = 7,456,621,814.72
  5. Step 5: Solve for x
    x = 7,456,621,814.72/91,190.44
  6. Step 6: Final answer
    x = 81,769.78

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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.