Home / 91,912.92-137,783.19-35,789.04

Finding the Fourth Proportional to 91,912.92, 137,783.19 and 35,789.04

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Solution

The fourth proportional to 91,912.92, 137,783.19 and 35,789.04 is: 53,650.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,912.92 : 137,783.19 = 35,789.04 : x
  2. Step 2: Convert to fraction form
    91,912.92/137,783.19 = 35,789.04/x
  3. Step 3: Cross multiply
    91,912.92x = 137,783.19 × 35,789.04
  4. Step 4: Simplify right side
    91,912.92x = 4,931,128,098.24
  5. Step 5: Solve for x
    x = 4,931,128,098.24/91,912.92
  6. Step 6: Final answer
    x = 53,650.00

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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.