Home / 75,383.42-104,021.40-43,562.56

Finding the Fourth Proportional to 75,383.42, 104,021.40 and 43,562.56

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Solution

The fourth proportional to 75,383.42, 104,021.40 and 43,562.56 is: 60,111.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,383.42 : 104,021.40 = 43,562.56 : x
  2. Step 2: Convert to fraction form
    75,383.42/104,021.40 = 43,562.56/x
  3. Step 3: Cross multiply
    75,383.42x = 104,021.40 × 43,562.56
  4. Step 4: Simplify right side
    75,383.42x = 4,531,438,478.78
  5. Step 5: Solve for x
    x = 4,531,438,478.78/75,383.42
  6. Step 6: Final answer
    x = 60,111.87

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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.