Home / 75,614.85-104,342.31-43,785.81

Finding the Fourth Proportional to 75,614.85, 104,342.31 and 43,785.81

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Solution

The fourth proportional to 75,614.85, 104,342.31 and 43,785.81 is: 60,420.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,614.85 : 104,342.31 = 43,785.81 : x
  2. Step 2: Convert to fraction form
    75,614.85/104,342.31 = 43,785.81/x
  3. Step 3: Cross multiply
    75,614.85x = 104,342.31 × 43,785.81
  4. Step 4: Simplify right side
    75,614.85x = 4,568,712,560.62
  5. Step 5: Solve for x
    x = 4,568,712,560.62/75,614.85
  6. Step 6: Final answer
    x = 60,420.84

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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.