Home / 55,212.86-76,174.33-36,103.81

Finding the Fourth Proportional to 55,212.86, 76,174.33 and 36,103.81

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Solution

The fourth proportional to 55,212.86, 76,174.33 and 36,103.81 is: 49,810.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,212.86 : 76,174.33 = 36,103.81 : x
  2. Step 2: Convert to fraction form
    55,212.86/76,174.33 = 36,103.81/x
  3. Step 3: Cross multiply
    55,212.86x = 76,174.33 × 36,103.81
  4. Step 4: Simplify right side
    55,212.86x = 2,750,183,256.50
  5. Step 5: Solve for x
    x = 2,750,183,256.50/55,212.86
  6. Step 6: Final answer
    x = 49,810.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.