Home / 91,353.24-126,070.44-50,517.96

Finding the Fourth Proportional to 91,353.24, 126,070.44 and 50,517.96

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Solution

The fourth proportional to 91,353.24, 126,070.44 and 50,517.96 is: 69,716.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,353.24 : 126,070.44 = 50,517.96 : x
  2. Step 2: Convert to fraction form
    91,353.24/126,070.44 = 50,517.96/x
  3. Step 3: Cross multiply
    91,353.24x = 126,070.44 × 50,517.96
  4. Step 4: Simplify right side
    91,353.24x = 6,368,821,445.10
  5. Step 5: Solve for x
    x = 6,368,821,445.10/91,353.24
  6. Step 6: Final answer
    x = 69,716.43

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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.