Home / 117,078.88-161,551.92-69,334.24

Finding the Fourth Proportional to 117,078.88, 161,551.92 and 69,334.24

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Solution

The fourth proportional to 117,078.88, 161,551.92 and 69,334.24 is: 95,671.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,078.88 : 161,551.92 = 69,334.24 : x
  2. Step 2: Convert to fraction form
    117,078.88/161,551.92 = 69,334.24/x
  3. Step 3: Cross multiply
    117,078.88x = 161,551.92 × 69,334.24
  4. Step 4: Simplify right side
    117,078.88x = 11,201,079,593.74
  5. Step 5: Solve for x
    x = 11,201,079,593.74/117,078.88
  6. Step 6: Final answer
    x = 95,671.22

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1.5x scale

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.