Home / 66,936.08-92,194.41-49,885.78

Finding the Fourth Proportional to 66,936.08, 92,194.41 and 49,885.78

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Solution

The fourth proportional to 66,936.08, 92,194.41 and 49,885.78 is: 68,710.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,936.08 : 92,194.41 = 49,885.78 : x
  2. Step 2: Convert to fraction form
    66,936.08/92,194.41 = 49,885.78/x
  3. Step 3: Cross multiply
    66,936.08x = 92,194.41 × 49,885.78
  4. Step 4: Simplify right side
    66,936.08x = 4,599,190,054.49
  5. Step 5: Solve for x
    x = 4,599,190,054.49/66,936.08
  6. Step 6: Final answer
    x = 68,710.18

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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.