Home / 91,855.27-126,767.60-51,571.68

Finding the Fourth Proportional to 91,855.27, 126,767.60 and 51,571.68

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Solution

The fourth proportional to 91,855.27, 126,767.60 and 51,571.68 is: 71,173.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,855.27 : 126,767.60 = 51,571.68 : x
  2. Step 2: Convert to fraction form
    91,855.27/126,767.60 = 51,571.68/x
  3. Step 3: Cross multiply
    91,855.27x = 126,767.60 × 51,571.68
  4. Step 4: Simplify right side
    91,855.27x = 6,537,618,101.57
  5. Step 5: Solve for x
    x = 6,537,618,101.57/91,855.27
  6. Step 6: Final answer
    x = 71,173.03

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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.