Home / 70,615.20-97,441.17-40,408.68

Finding the Fourth Proportional to 70,615.20, 97,441.17 and 40,408.68

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Solution

The fourth proportional to 70,615.20, 97,441.17 and 40,408.68 is: 55,759.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,615.20 : 97,441.17 = 40,408.68 : x
  2. Step 2: Convert to fraction form
    70,615.20/97,441.17 = 40,408.68/x
  3. Step 3: Cross multiply
    70,615.20x = 97,441.17 × 40,408.68
  4. Step 4: Simplify right side
    70,615.20x = 3,937,469,057.36
  5. Step 5: Solve for x
    x = 3,937,469,057.36/70,615.20
  6. Step 6: Final answer
    x = 55,759.51

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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.