Home / 70,161.69-96,825.32-38,329.91

Finding the Fourth Proportional to 70,161.69, 96,825.32 and 38,329.91

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Solution

The fourth proportional to 70,161.69, 96,825.32 and 38,329.91 is: 52,896.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,161.69 : 96,825.32 = 38,329.91 : x
  2. Step 2: Convert to fraction form
    70,161.69/96,825.32 = 38,329.91/x
  3. Step 3: Cross multiply
    70,161.69x = 96,825.32 × 38,329.91
  4. Step 4: Simplify right side
    70,161.69x = 3,711,305,847.98
  5. Step 5: Solve for x
    x = 3,711,305,847.98/70,161.69
  6. Step 6: Final answer
    x = 52,896.47

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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.