Home / 70,731.40-97,604.58-40,516.84

Finding the Fourth Proportional to 70,731.40, 97,604.58 and 40,516.84

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Solution

The fourth proportional to 70,731.40, 97,604.58 and 40,516.84 is: 55,910.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,731.40 : 97,604.58 = 40,516.84 : x
  2. Step 2: Convert to fraction form
    70,731.40/97,604.58 = 40,516.84/x
  3. Step 3: Cross multiply
    70,731.40x = 97,604.58 × 40,516.84
  4. Step 4: Simplify right side
    70,731.40x = 3,954,629,151.13
  5. Step 5: Solve for x
    x = 3,954,629,151.13/70,731.40
  6. Step 6: Final answer
    x = 55,910.52

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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.