Home / 74,861.44-103,326.16-49,372.41

Finding the Fourth Proportional to 74,861.44, 103,326.16 and 49,372.41

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Solution

The fourth proportional to 74,861.44, 103,326.16 and 49,372.41 is: 68,145.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,861.44 : 103,326.16 = 49,372.41 : x
  2. Step 2: Convert to fraction form
    74,861.44/103,326.16 = 49,372.41/x
  3. Step 3: Cross multiply
    74,861.44x = 103,326.16 × 49,372.41
  4. Step 4: Simplify right side
    74,861.44x = 5,101,461,535.25
  5. Step 5: Solve for x
    x = 5,101,461,535.25/74,861.44
  6. Step 6: Final answer
    x = 68,145.38

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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.