Home / 70,982.20-97,955.26-40,769.48

Finding the Fourth Proportional to 70,982.20, 97,955.26 and 40,769.48

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Solution

The fourth proportional to 70,982.20, 97,955.26 and 40,769.48 is: 56,261.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,982.20 : 97,955.26 = 40,769.48 : x
  2. Step 2: Convert to fraction form
    70,982.20/97,955.26 = 40,769.48/x
  3. Step 3: Cross multiply
    70,982.20x = 97,955.26 × 40,769.48
  4. Step 4: Simplify right side
    70,982.20x = 3,993,585,156.43
  5. Step 5: Solve for x
    x = 3,993,585,156.43/70,982.20
  6. Step 6: Final answer
    x = 56,261.78

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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.