Home / 74,616.25-103,057.91-49,422.01

Finding the Fourth Proportional to 74,616.25, 103,057.91 and 49,422.01

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Solution

The fourth proportional to 74,616.25, 103,057.91 and 49,422.01 is: 68,260.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,616.25 : 103,057.91 = 49,422.01 : x
  2. Step 2: Convert to fraction form
    74,616.25/103,057.91 = 49,422.01/x
  3. Step 3: Cross multiply
    74,616.25x = 103,057.91 × 49,422.01
  4. Step 4: Simplify right side
    74,616.25x = 5,093,328,811.49
  5. Step 5: Solve for x
    x = 5,093,328,811.49/74,616.25
  6. Step 6: Final answer
    x = 68,260.32

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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.