Home / 91,939.45-126,868.66-51,650.05

Finding the Fourth Proportional to 91,939.45, 126,868.66 and 51,650.05

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Solution

The fourth proportional to 91,939.45, 126,868.66 and 51,650.05 is: 71,272.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,939.45 : 126,868.66 = 51,650.05 : x
  2. Step 2: Convert to fraction form
    91,939.45/126,868.66 = 51,650.05/x
  3. Step 3: Cross multiply
    91,939.45x = 126,868.66 × 51,650.05
  4. Step 4: Simplify right side
    91,939.45x = 6,552,772,632.43
  5. Step 5: Solve for x
    x = 6,552,772,632.43/91,939.45
  6. Step 6: Final answer
    x = 71,272.70

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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.