Home / 75,447.70-104,117.31-41,456.55

Finding the Fourth Proportional to 75,447.70, 104,117.31 and 41,456.55

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Solution

The fourth proportional to 75,447.70, 104,117.31 and 41,456.55 is: 57,209.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,447.70 : 104,117.31 = 41,456.55 : x
  2. Step 2: Convert to fraction form
    75,447.70/104,117.31 = 41,456.55/x
  3. Step 3: Cross multiply
    75,447.70x = 104,117.31 × 41,456.55
  4. Step 4: Simplify right side
    75,447.70x = 4,316,344,467.88
  5. Step 5: Solve for x
    x = 4,316,344,467.88/75,447.70
  6. Step 6: Final answer
    x = 57,209.76

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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.