Home / 70,625.96-97,439.68-40,400.27

Finding the Fourth Proportional to 70,625.96, 97,439.68 and 40,400.27

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Solution

The fourth proportional to 70,625.96, 97,439.68 and 40,400.27 is: 55,738.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,625.96 : 97,439.68 = 40,400.27 : x
  2. Step 2: Convert to fraction form
    70,625.96/97,439.68 = 40,400.27/x
  3. Step 3: Cross multiply
    70,625.96x = 97,439.68 × 40,400.27
  4. Step 4: Simplify right side
    70,625.96x = 3,936,589,380.71
  5. Step 5: Solve for x
    x = 3,936,589,380.71/70,625.96
  6. Step 6: Final answer
    x = 55,738.56

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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.