Home / 74,695.44-103,078.35-40,704.21

Finding the Fourth Proportional to 74,695.44, 103,078.35 and 40,704.21

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Solution

The fourth proportional to 74,695.44, 103,078.35 and 40,704.21 is: 56,171.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,695.44 : 103,078.35 = 40,704.21 : x
  2. Step 2: Convert to fraction form
    74,695.44/103,078.35 = 40,704.21/x
  3. Step 3: Cross multiply
    74,695.44x = 103,078.35 × 40,704.21
  4. Step 4: Simplify right side
    74,695.44x = 4,195,722,804.85
  5. Step 5: Solve for x
    x = 4,195,722,804.85/74,695.44
  6. Step 6: Final answer
    x = 56,171.07

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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.