Home / 117,334.32-161,919.86-63,619.17

Finding the Fourth Proportional to 117,334.32, 161,919.86 and 63,619.17

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Solution

The fourth proportional to 117,334.32, 161,919.86 and 63,619.17 is: 87,793.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,334.32 : 161,919.86 = 63,619.17 : x
  2. Step 2: Convert to fraction form
    117,334.32/161,919.86 = 63,619.17/x
  3. Step 3: Cross multiply
    117,334.32x = 161,919.86 × 63,619.17
  4. Step 4: Simplify right side
    117,334.32x = 10,301,206,781.62
  5. Step 5: Solve for x
    x = 10,301,206,781.62/117,334.32
  6. Step 6: Final answer
    x = 87,793.64

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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.