Home / 71,120.74-98,149.44-40,906.03

Finding the Fourth Proportional to 71,120.74, 98,149.44 and 40,906.03

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Solution

The fourth proportional to 71,120.74, 98,149.44 and 40,906.03 is: 56,451.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,120.74 : 98,149.44 = 40,906.03 : x
  2. Step 2: Convert to fraction form
    71,120.74/98,149.44 = 40,906.03/x
  3. Step 3: Cross multiply
    71,120.74x = 98,149.44 × 40,906.03
  4. Step 4: Simplify right side
    71,120.74x = 4,014,903,446.38
  5. Step 5: Solve for x
    x = 4,014,903,446.38/71,120.74
  6. Step 6: Final answer
    x = 56,451.94

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1.5x scale

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.