Home / 74,490.96-102,782.82-41,786.46

Finding the Fourth Proportional to 74,490.96, 102,782.82 and 41,786.46

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Solution

The fourth proportional to 74,490.96, 102,782.82 and 41,786.46 is: 57,657.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,490.96 : 102,782.82 = 41,786.46 : x
  2. Step 2: Convert to fraction form
    74,490.96/102,782.82 = 41,786.46/x
  3. Step 3: Cross multiply
    74,490.96x = 102,782.82 × 41,786.46
  4. Step 4: Simplify right side
    74,490.96x = 4,294,930,196.62
  5. Step 5: Solve for x
    x = 4,294,930,196.62/74,490.96
  6. Step 6: Final answer
    x = 57,657.07

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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.