Home / 74,811-103,240.62-41,276.28

Finding the Fourth Proportional to 74,811, 103,240.62 and 41,276.28

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Solution

The fourth proportional to 74,811, 103,240.62 and 41,276.28 is: 56,962.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,811 : 103,240.62 = 41,276.28 : x
  2. Step 2: Convert to fraction form
    74,811/103,240.62 = 41,276.28/x
  3. Step 3: Cross multiply
    74,811x = 103,240.62 × 41,276.28
  4. Step 4: Simplify right side
    74,811x = 4,261,388,738.49
  5. Step 5: Solve for x
    x = 4,261,388,738.49/74,811
  6. Step 6: Final answer
    x = 56,962.06

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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.