Home / 91,949.94-126,905.70-85,946.64

Finding the Fourth Proportional to 91,949.94, 126,905.70 and 85,946.64

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Solution

The fourth proportional to 91,949.94, 126,905.70 and 85,946.64 is: 118,620.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,949.94 : 126,905.70 = 85,946.64 : x
  2. Step 2: Convert to fraction form
    91,949.94/126,905.70 = 85,946.64/x
  3. Step 3: Cross multiply
    91,949.94x = 126,905.70 × 85,946.64
  4. Step 4: Simplify right side
    91,949.94x = 10,907,118,511.85
  5. Step 5: Solve for x
    x = 10,907,118,511.85/91,949.94
  6. Step 6: Final answer
    x = 118,620.18

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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.