Home / 55,741.86-76,958.64-38,741.04

Finding the Fourth Proportional to 55,741.86, 76,958.64 and 38,741.04

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Solution

The fourth proportional to 55,741.86, 76,958.64 and 38,741.04 is: 53,486.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,741.86 : 76,958.64 = 38,741.04 : x
  2. Step 2: Convert to fraction form
    55,741.86/76,958.64 = 38,741.04/x
  3. Step 3: Cross multiply
    55,741.86x = 76,958.64 × 38,741.04
  4. Step 4: Simplify right side
    55,741.86x = 2,981,457,750.59
  5. Step 5: Solve for x
    x = 2,981,457,750.59/55,741.86
  6. Step 6: Final answer
    x = 53,486.87

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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.