Home / 74,932.50-103,409.82-43,101.36

Finding the Fourth Proportional to 74,932.50, 103,409.82 and 43,101.36

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Solution

The fourth proportional to 74,932.50, 103,409.82 and 43,101.36 is: 59,481.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,932.50 : 103,409.82 = 43,101.36 : x
  2. Step 2: Convert to fraction form
    74,932.50/103,409.82 = 43,101.36/x
  3. Step 3: Cross multiply
    74,932.50x = 103,409.82 × 43,101.36
  4. Step 4: Simplify right side
    74,932.50x = 4,457,103,879.36
  5. Step 5: Solve for x
    x = 4,457,103,879.36/74,932.50
  6. Step 6: Final answer
    x = 59,481.59

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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.