Home / 91,261.24-125,939.16-50,975.60

Finding the Fourth Proportional to 91,261.24, 125,939.16 and 50,975.60

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Solution

The fourth proportional to 91,261.24, 125,939.16 and 50,975.60 is: 70,345.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,261.24 : 125,939.16 = 50,975.60 : x
  2. Step 2: Convert to fraction form
    91,261.24/125,939.16 = 50,975.60/x
  3. Step 3: Cross multiply
    91,261.24x = 125,939.16 × 50,975.60
  4. Step 4: Simplify right side
    91,261.24x = 6,419,823,614.80
  5. Step 5: Solve for x
    x = 6,419,823,614.80/91,261.24
  6. Step 6: Final answer
    x = 70,345.57

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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.