Home / 70,974.24-97,940.28-40,753.08

Finding the Fourth Proportional to 70,974.24, 97,940.28 and 40,753.08

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Solution

The fourth proportional to 70,974.24, 97,940.28 and 40,753.08 is: 56,236.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,974.24 : 97,940.28 = 40,753.08 : x
  2. Step 2: Convert to fraction form
    70,974.24/97,940.28 = 40,753.08/x
  3. Step 3: Cross multiply
    70,974.24x = 97,940.28 × 40,753.08
  4. Step 4: Simplify right side
    70,974.24x = 3,991,368,066.06
  5. Step 5: Solve for x
    x = 3,991,368,066.06/70,974.24
  6. Step 6: Final answer
    x = 56,236.86

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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.