Home / 72,936.08-109,404.16-41,749.68

Finding the Fourth Proportional to 72,936.08, 109,404.16 and 41,749.68

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Solution

The fourth proportional to 72,936.08, 109,404.16 and 41,749.68 is: 62,624.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,936.08 : 109,404.16 = 41,749.68 : x
  2. Step 2: Convert to fraction form
    72,936.08/109,404.16 = 41,749.68/x
  3. Step 3: Cross multiply
    72,936.08x = 109,404.16 × 41,749.68
  4. Step 4: Simplify right side
    72,936.08x = 4,567,588,670.67
  5. Step 5: Solve for x
    x = 4,567,588,670.67/72,936.08
  6. Step 6: Final answer
    x = 62,624.54

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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.