Home / 123,962.76-171,072.78-69,517.26

Finding the Fourth Proportional to 123,962.76, 171,072.78 and 69,517.26

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Solution

The fourth proportional to 123,962.76, 171,072.78 and 69,517.26 is: 95,936.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,962.76 : 171,072.78 = 69,517.26 : x
  2. Step 2: Convert to fraction form
    123,962.76/171,072.78 = 69,517.26/x
  3. Step 3: Cross multiply
    123,962.76x = 171,072.78 × 69,517.26
  4. Step 4: Simplify right side
    123,962.76x = 11,892,510,926.18
  5. Step 5: Solve for x
    x = 11,892,510,926.18/123,962.76
  6. Step 6: Final answer
    x = 95,936.16

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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.