Home / 137,827.90-206,749.63-49,081.42

Finding the Fourth Proportional to 137,827.90, 206,749.63 and 49,081.42

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Solution

The fourth proportional to 137,827.90, 206,749.63 and 49,081.42 is: 73,624.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,827.90 : 206,749.63 = 49,081.42 : x
  2. Step 2: Convert to fraction form
    137,827.90/206,749.63 = 49,081.42/x
  3. Step 3: Cross multiply
    137,827.90x = 206,749.63 × 49,081.42
  4. Step 4: Simplify right side
    137,827.90x = 10,147,564,581.70
  5. Step 5: Solve for x
    x = 10,147,564,581.70/137,827.90
  6. Step 6: Final answer
    x = 73,624.89

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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.