Home / 85,072.44-117,406.74-49,263.08

Finding the Fourth Proportional to 85,072.44, 117,406.74 and 49,263.08

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Solution

The fourth proportional to 85,072.44, 117,406.74 and 49,263.08 is: 67,986.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,072.44 : 117,406.74 = 49,263.08 : x
  2. Step 2: Convert to fraction form
    85,072.44/117,406.74 = 49,263.08/x
  3. Step 3: Cross multiply
    85,072.44x = 117,406.74 × 49,263.08
  4. Step 4: Simplify right side
    85,072.44x = 5,783,817,625.16
  5. Step 5: Solve for x
    x = 5,783,817,625.16/85,072.44
  6. Step 6: Final answer
    x = 67,986.97

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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.