Home / 91,225.35-125,889.79-50,939.80

Finding the Fourth Proportional to 91,225.35, 125,889.79 and 50,939.80

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Solution

The fourth proportional to 91,225.35, 125,889.79 and 50,939.80 is: 70,296.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,225.35 : 125,889.79 = 50,939.80 : x
  2. Step 2: Convert to fraction form
    91,225.35/125,889.79 = 50,939.80/x
  3. Step 3: Cross multiply
    91,225.35x = 125,889.79 × 50,939.80
  4. Step 4: Simplify right side
    91,225.35x = 6,412,800,724.64
  5. Step 5: Solve for x
    x = 6,412,800,724.64/91,225.35
  6. Step 6: Final answer
    x = 70,296.26

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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.