Home / 117,859.14-162,662.75-66,182.03

Finding the Fourth Proportional to 117,859.14, 162,662.75 and 66,182.03

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Solution

The fourth proportional to 117,859.14, 162,662.75 and 66,182.03 is: 91,340.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,859.14 : 162,662.75 = 66,182.03 : x
  2. Step 2: Convert to fraction form
    117,859.14/162,662.75 = 66,182.03/x
  3. Step 3: Cross multiply
    117,859.14x = 162,662.75 × 66,182.03
  4. Step 4: Simplify right side
    117,859.14x = 10,765,349,856.16
  5. Step 5: Solve for x
    x = 10,765,349,856.16/117,859.14
  6. Step 6: Final answer
    x = 91,340.81

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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.