Home / 71,126.97-98,158.05-40,912.26

Finding the Fourth Proportional to 71,126.97, 98,158.05 and 40,912.26

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Solution

The fourth proportional to 71,126.97, 98,158.05 and 40,912.26 is: 56,460.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,126.97 : 98,158.05 = 40,912.26 : x
  2. Step 2: Convert to fraction form
    71,126.97/98,158.05 = 40,912.26/x
  3. Step 3: Cross multiply
    71,126.97x = 98,158.05 × 40,912.26
  4. Step 4: Simplify right side
    71,126.97x = 4,015,867,662.69
  5. Step 5: Solve for x
    x = 4,015,867,662.69/71,126.97
  6. Step 6: Final answer
    x = 56,460.55

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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.