Home / 91,903.43-126,829.55-51,618.03

Finding the Fourth Proportional to 91,903.43, 126,829.55 and 51,618.03

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Solution

The fourth proportional to 91,903.43, 126,829.55 and 51,618.03 is: 71,234.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,903.43 : 126,829.55 = 51,618.03 : x
  2. Step 2: Convert to fraction form
    91,903.43/126,829.55 = 51,618.03/x
  3. Step 3: Cross multiply
    91,903.43x = 126,829.55 × 51,618.03
  4. Step 4: Simplify right side
    91,903.43x = 6,546,691,258.70
  5. Step 5: Solve for x
    x = 6,546,691,258.70/91,903.43
  6. Step 6: Final answer
    x = 71,234.46

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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.