Home / 135,771.27-203,608.31-47,000.94

Finding the Fourth Proportional to 135,771.27, 203,608.31 and 47,000.94

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Solution

The fourth proportional to 135,771.27, 203,608.31 and 47,000.94 is: 70,484.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,771.27 : 203,608.31 = 47,000.94 : x
  2. Step 2: Convert to fraction form
    135,771.27/203,608.31 = 47,000.94/x
  3. Step 3: Cross multiply
    135,771.27x = 203,608.31 × 47,000.94
  4. Step 4: Simplify right side
    135,771.27x = 9,569,781,726.81
  5. Step 5: Solve for x
    x = 9,569,781,726.81/135,771.27
  6. Step 6: Final answer
    x = 70,484.59

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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.