Home / 87,723.06-121,059.10-49,484.44

Finding the Fourth Proportional to 87,723.06, 121,059.10 and 49,484.44

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Solution

The fourth proportional to 87,723.06, 121,059.10 and 49,484.44 is: 68,289.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,723.06 : 121,059.10 = 49,484.44 : x
  2. Step 2: Convert to fraction form
    87,723.06/121,059.10 = 49,484.44/x
  3. Step 3: Cross multiply
    87,723.06x = 121,059.10 × 49,484.44
  4. Step 4: Simplify right side
    87,723.06x = 5,990,541,770.40
  5. Step 5: Solve for x
    x = 5,990,541,770.40/87,723.06
  6. Step 6: Final answer
    x = 68,289.25

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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.