Home / 70,992.24-97,969.68-39,161.13

Finding the Fourth Proportional to 70,992.24, 97,969.68 and 39,161.13

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Solution

The fourth proportional to 70,992.24, 97,969.68 and 39,161.13 is: 54,042.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,992.24 : 97,969.68 = 39,161.13 : x
  2. Step 2: Convert to fraction form
    70,992.24/97,969.68 = 39,161.13/x
  3. Step 3: Cross multiply
    70,992.24x = 97,969.68 × 39,161.13
  4. Step 4: Simplify right side
    70,992.24x = 3,836,603,374.54
  5. Step 5: Solve for x
    x = 3,836,603,374.54/70,992.24
  6. Step 6: Final answer
    x = 54,042.57

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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.