Home / 91,771.30-126,669.16-59,939.52

Finding the Fourth Proportional to 91,771.30, 126,669.16 and 59,939.52

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Solution

The fourth proportional to 91,771.30, 126,669.16 and 59,939.52 is: 82,732.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,771.30 : 126,669.16 = 59,939.52 : x
  2. Step 2: Convert to fraction form
    91,771.30/126,669.16 = 59,939.52/x
  3. Step 3: Cross multiply
    91,771.30x = 126,669.16 × 59,939.52
  4. Step 4: Simplify right side
    91,771.30x = 7,592,488,649.20
  5. Step 5: Solve for x
    x = 7,592,488,649.20/91,771.30
  6. Step 6: Final answer
    x = 82,732.71

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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.