Home / 91,996.41-126,965.58-51,164.61

Finding the Fourth Proportional to 91,996.41, 126,965.58 and 51,164.61

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Solution

The fourth proportional to 91,996.41, 126,965.58 and 51,164.61 is: 70,613.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,996.41 : 126,965.58 = 51,164.61 : x
  2. Step 2: Convert to fraction form
    91,996.41/126,965.58 = 51,164.61/x
  3. Step 3: Cross multiply
    91,996.41x = 126,965.58 × 51,164.61
  4. Step 4: Simplify right side
    91,996.41x = 6,496,144,384.12
  5. Step 5: Solve for x
    x = 6,496,144,384.12/91,996.41
  6. Step 6: Final answer
    x = 70,613.02

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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.