Home / 74,974.60-103,464.96-40,983.22

Finding the Fourth Proportional to 74,974.60, 103,464.96 and 40,983.22

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Solution

The fourth proportional to 74,974.60, 103,464.96 and 40,983.22 is: 56,556.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,974.60 : 103,464.96 = 40,983.22 : x
  2. Step 2: Convert to fraction form
    74,974.60/103,464.96 = 40,983.22/x
  3. Step 3: Cross multiply
    74,974.60x = 103,464.96 × 40,983.22
  4. Step 4: Simplify right side
    74,974.60x = 4,240,327,271.72
  5. Step 5: Solve for x
    x = 4,240,327,271.72/74,974.60
  6. Step 6: Final answer
    x = 56,556.85

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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.