Home / 75,530.56-104,231.36-41,538.48

Finding the Fourth Proportional to 75,530.56, 104,231.36 and 41,538.48

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Solution

The fourth proportional to 75,530.56, 104,231.36 and 41,538.48 is: 57,322.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,530.56 : 104,231.36 = 41,538.48 : x
  2. Step 2: Convert to fraction form
    75,530.56/104,231.36 = 41,538.48/x
  3. Step 3: Cross multiply
    75,530.56x = 104,231.36 × 41,538.48
  4. Step 4: Simplify right side
    75,530.56x = 4,329,612,262.73
  5. Step 5: Solve for x
    x = 4,329,612,262.73/75,530.56
  6. Step 6: Final answer
    x = 57,322.66

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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.