Home / 117,295.92-161,867.43-63,579.51

Finding the Fourth Proportional to 117,295.92, 161,867.43 and 63,579.51

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Solution

The fourth proportional to 117,295.92, 161,867.43 and 63,579.51 is: 87,739.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,295.92 : 161,867.43 = 63,579.51 : x
  2. Step 2: Convert to fraction form
    117,295.92/161,867.43 = 63,579.51/x
  3. Step 3: Cross multiply
    117,295.92x = 161,867.43 × 63,579.51
  4. Step 4: Simplify right side
    117,295.92x = 10,291,451,884.36
  5. Step 5: Solve for x
    x = 10,291,451,884.36/117,295.92
  6. Step 6: Final answer
    x = 87,739.21

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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.