Home / 91,375.16-126,098.51-50,538.60

Finding the Fourth Proportional to 91,375.16, 126,098.51 and 50,538.60

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Solution

The fourth proportional to 91,375.16, 126,098.51 and 50,538.60 is: 69,743.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,375.16 : 126,098.51 = 50,538.60 : x
  2. Step 2: Convert to fraction form
    91,375.16/126,098.51 = 50,538.60/x
  3. Step 3: Cross multiply
    91,375.16x = 126,098.51 × 50,538.60
  4. Step 4: Simplify right side
    91,375.16x = 6,372,841,904.79
  5. Step 5: Solve for x
    x = 6,372,841,904.79/91,375.16
  6. Step 6: Final answer
    x = 69,743.71

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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.