Home / 91,090.92-136,640.56-27,906.50

Finding the Fourth Proportional to 91,090.92, 136,640.56 and 27,906.50

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Solution

The fourth proportional to 91,090.92, 136,640.56 and 27,906.50 is: 41,861.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,090.92 : 136,640.56 = 27,906.50 : x
  2. Step 2: Convert to fraction form
    91,090.92/136,640.56 = 27,906.50/x
  3. Step 3: Cross multiply
    91,090.92x = 136,640.56 × 27,906.50
  4. Step 4: Simplify right side
    91,090.92x = 3,813,159,787.64
  5. Step 5: Solve for x
    x = 3,813,159,787.64/91,090.92
  6. Step 6: Final answer
    x = 41,861.03

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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.