Home / 91,982.54-126,946.40-51,150.71

Finding the Fourth Proportional to 91,982.54, 126,946.40 and 51,150.71

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Solution

The fourth proportional to 91,982.54, 126,946.40 and 51,150.71 is: 70,593.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,982.54 : 126,946.40 = 51,150.71 : x
  2. Step 2: Convert to fraction form
    91,982.54/126,946.40 = 51,150.71/x
  3. Step 3: Cross multiply
    91,982.54x = 126,946.40 × 51,150.71
  4. Step 4: Simplify right side
    91,982.54x = 6,493,398,553.56
  5. Step 5: Solve for x
    x = 6,493,398,553.56/91,982.54
  6. Step 6: Final answer
    x = 70,593.81

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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.