Home / 91,934.90-126,865.41-51,650.36

Finding the Fourth Proportional to 91,934.90, 126,865.41 and 51,650.36

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Solution

The fourth proportional to 91,934.90, 126,865.41 and 51,650.36 is: 71,274.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,934.90 : 126,865.41 = 51,650.36 : x
  2. Step 2: Convert to fraction form
    91,934.90/126,865.41 = 51,650.36/x
  3. Step 3: Cross multiply
    91,934.90x = 126,865.41 × 51,650.36
  4. Step 4: Simplify right side
    91,934.90x = 6,552,644,098.05
  5. Step 5: Solve for x
    x = 6,552,644,098.05/91,934.90
  6. Step 6: Final answer
    x = 71,274.83

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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.