Home / 75,429.63-104,111.60-43,593.93

Finding the Fourth Proportional to 75,429.63, 104,111.60 and 43,593.93

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Solution

The fourth proportional to 75,429.63, 104,111.60 and 43,593.93 is: 60,170.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,429.63 : 104,111.60 = 43,593.93 : x
  2. Step 2: Convert to fraction form
    75,429.63/104,111.60 = 43,593.93/x
  3. Step 3: Cross multiply
    75,429.63x = 104,111.60 × 43,593.93
  4. Step 4: Simplify right side
    75,429.63x = 4,538,633,584.62
  5. Step 5: Solve for x
    x = 4,538,633,584.62/75,429.63
  6. Step 6: Final answer
    x = 60,170.43

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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.