Home / 69,770.62-96,285.99-39,968.38

Finding the Fourth Proportional to 69,770.62, 96,285.99 and 39,968.38

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Solution

The fourth proportional to 69,770.62, 96,285.99 and 39,968.38 is: 55,157.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,770.62 : 96,285.99 = 39,968.38 : x
  2. Step 2: Convert to fraction form
    69,770.62/96,285.99 = 39,968.38/x
  3. Step 3: Cross multiply
    69,770.62x = 96,285.99 × 39,968.38
  4. Step 4: Simplify right side
    69,770.62x = 3,848,395,037.00
  5. Step 5: Solve for x
    x = 3,848,395,037.00/69,770.62
  6. Step 6: Final answer
    x = 55,157.82

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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.