Home / 70,003.09-96,622.68-39,806.11

Finding the Fourth Proportional to 70,003.09, 96,622.68 and 39,806.11

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Solution

The fourth proportional to 70,003.09, 96,622.68 and 39,806.11 is: 54,942.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,003.09 : 96,622.68 = 39,806.11 : x
  2. Step 2: Convert to fraction form
    70,003.09/96,622.68 = 39,806.11/x
  3. Step 3: Cross multiply
    70,003.09x = 96,622.68 × 39,806.11
  4. Step 4: Simplify right side
    70,003.09x = 3,846,173,028.57
  5. Step 5: Solve for x
    x = 3,846,173,028.57/70,003.09
  6. Step 6: Final answer
    x = 54,942.90

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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.