Home / 71,013.15-97,998.66-39,183.18

Finding the Fourth Proportional to 71,013.15, 97,998.66 and 39,183.18

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Solution

The fourth proportional to 71,013.15, 97,998.66 and 39,183.18 is: 54,073.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,013.15 : 97,998.66 = 39,183.18 : x
  2. Step 2: Convert to fraction form
    71,013.15/97,998.66 = 39,183.18/x
  3. Step 3: Cross multiply
    71,013.15x = 97,998.66 × 39,183.18
  4. Step 4: Simplify right side
    71,013.15x = 3,839,899,134.54
  5. Step 5: Solve for x
    x = 3,839,899,134.54/71,013.15
  6. Step 6: Final answer
    x = 54,073.07

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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.