Home / 74,924.50-103,398.78-43,093.36

Finding the Fourth Proportional to 74,924.50, 103,398.78 and 43,093.36

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Solution

The fourth proportional to 74,924.50, 103,398.78 and 43,093.36 is: 59,470.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,924.50 : 103,398.78 = 43,093.36 : x
  2. Step 2: Convert to fraction form
    74,924.50/103,398.78 = 43,093.36/x
  3. Step 3: Cross multiply
    74,924.50x = 103,398.78 × 43,093.36
  4. Step 4: Simplify right side
    74,924.50x = 4,455,800,850.10
  5. Step 5: Solve for x
    x = 4,455,800,850.10/74,924.50
  6. Step 6: Final answer
    x = 59,470.55

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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.