Home / 74,049.75-102,187.98-41,784.59

Finding the Fourth Proportional to 74,049.75, 102,187.98 and 41,784.59

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Solution

The fourth proportional to 74,049.75, 102,187.98 and 41,784.59 is: 57,662.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,049.75 : 102,187.98 = 41,784.59 : x
  2. Step 2: Convert to fraction form
    74,049.75/102,187.98 = 41,784.59/x
  3. Step 3: Cross multiply
    74,049.75x = 102,187.98 × 41,784.59
  4. Step 4: Simplify right side
    74,049.75x = 4,269,883,102.70
  5. Step 5: Solve for x
    x = 4,269,883,102.70/74,049.75
  6. Step 6: Final answer
    x = 57,662.36

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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.