Home / 69,936.45-104,953.12-27,812.21

Finding the Fourth Proportional to 69,936.45, 104,953.12 and 27,812.21

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Solution

The fourth proportional to 69,936.45, 104,953.12 and 27,812.21 is: 41,737.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,936.45 : 104,953.12 = 27,812.21 : x
  2. Step 2: Convert to fraction form
    69,936.45/104,953.12 = 27,812.21/x
  3. Step 3: Cross multiply
    69,936.45x = 104,953.12 × 27,812.21
  4. Step 4: Simplify right side
    69,936.45x = 2,918,978,209.66
  5. Step 5: Solve for x
    x = 2,918,978,209.66/69,936.45
  6. Step 6: Final answer
    x = 41,737.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.