Home / 69,829.89-96,367.43-39,616.49

Finding the Fourth Proportional to 69,829.89, 96,367.43 and 39,616.49

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Solution

The fourth proportional to 69,829.89, 96,367.43 and 39,616.49 is: 54,671.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,829.89 : 96,367.43 = 39,616.49 : x
  2. Step 2: Convert to fraction form
    69,829.89/96,367.43 = 39,616.49/x
  3. Step 3: Cross multiply
    69,829.89x = 96,367.43 × 39,616.49
  4. Step 4: Simplify right side
    69,829.89x = 3,817,738,845.08
  5. Step 5: Solve for x
    x = 3,817,738,845.08/69,829.89
  6. Step 6: Final answer
    x = 54,671.99

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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.