Home / 74,968.56-103,453.11-40,975.92

Finding the Fourth Proportional to 74,968.56, 103,453.11 and 40,975.92

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Solution

The fourth proportional to 74,968.56, 103,453.11 and 40,975.92 is: 56,544.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,968.56 : 103,453.11 = 40,975.92 : x
  2. Step 2: Convert to fraction form
    74,968.56/103,453.11 = 40,975.92/x
  3. Step 3: Cross multiply
    74,968.56x = 103,453.11 × 40,975.92
  4. Step 4: Simplify right side
    74,968.56x = 4,239,086,359.11
  5. Step 5: Solve for x
    x = 4,239,086,359.11/74,968.56
  6. Step 6: Final answer
    x = 56,544.86

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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.