Home / 74,942.24-103,422.72-41,410.40

Finding the Fourth Proportional to 74,942.24, 103,422.72 and 41,410.40

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Solution

The fourth proportional to 74,942.24, 103,422.72 and 41,410.40 is: 57,147.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,942.24 : 103,422.72 = 41,410.40 : x
  2. Step 2: Convert to fraction form
    74,942.24/103,422.72 = 41,410.40/x
  3. Step 3: Cross multiply
    74,942.24x = 103,422.72 × 41,410.40
  4. Step 4: Simplify right side
    74,942.24x = 4,282,776,204.29
  5. Step 5: Solve for x
    x = 4,282,776,204.29/74,942.24
  6. Step 6: Final answer
    x = 57,147.69

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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.