Home / 70,828.97-97,744.34-40,615.43

Finding the Fourth Proportional to 70,828.97, 97,744.34 and 40,615.43

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Solution

The fourth proportional to 70,828.97, 97,744.34 and 40,615.43 is: 56,049.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,828.97 : 97,744.34 = 40,615.43 : x
  2. Step 2: Convert to fraction form
    70,828.97/97,744.34 = 40,615.43/x
  3. Step 3: Cross multiply
    70,828.97x = 97,744.34 × 40,615.43
  4. Step 4: Simplify right side
    70,828.97x = 3,969,928,196.09
  5. Step 5: Solve for x
    x = 3,969,928,196.09/70,828.97
  6. Step 6: Final answer
    x = 56,049.50

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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.