Home / 74,997.96-103,582.26-51,083.16

Finding the Fourth Proportional to 74,997.96, 103,582.26 and 51,083.16

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Solution

The fourth proportional to 74,997.96, 103,582.26 and 51,083.16 is: 70,552.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,997.96 : 103,582.26 = 51,083.16 : x
  2. Step 2: Convert to fraction form
    74,997.96/103,582.26 = 51,083.16/x
  3. Step 3: Cross multiply
    74,997.96x = 103,582.26 × 51,083.16
  4. Step 4: Simplify right side
    74,997.96x = 5,291,309,160.74
  5. Step 5: Solve for x
    x = 5,291,309,160.74/74,997.96
  6. Step 6: Final answer
    x = 70,552.71

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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.