Home / 75,414.41-104,072.74-41,423.69

Finding the Fourth Proportional to 75,414.41, 104,072.74 and 41,423.69

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Solution

The fourth proportional to 75,414.41, 104,072.74 and 41,423.69 is: 57,165.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,414.41 : 104,072.74 = 41,423.69 : x
  2. Step 2: Convert to fraction form
    75,414.41/104,072.74 = 41,423.69/x
  3. Step 3: Cross multiply
    75,414.41x = 104,072.74 × 41,423.69
  4. Step 4: Simplify right side
    75,414.41x = 4,311,076,919.21
  5. Step 5: Solve for x
    x = 4,311,076,919.21/75,414.41
  6. Step 6: Final answer
    x = 57,165.16

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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.