Home / 74,746.87-103,145.78-41,213.11

Finding the Fourth Proportional to 74,746.87, 103,145.78 and 41,213.11

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Solution

The fourth proportional to 74,746.87, 103,145.78 and 41,213.11 is: 56,871.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,746.87 : 103,145.78 = 41,213.11 : x
  2. Step 2: Convert to fraction form
    74,746.87/103,145.78 = 41,213.11/x
  3. Step 3: Cross multiply
    74,746.87x = 103,145.78 × 41,213.11
  4. Step 4: Simplify right side
    74,746.87x = 4,250,958,171.11
  5. Step 5: Solve for x
    x = 4,250,958,171.11/74,746.87
  6. Step 6: Final answer
    x = 56,871.39

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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.