Home / 117,335.22-161,923.38-63,621.06

Finding the Fourth Proportional to 117,335.22, 161,923.38 and 63,621.06

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Solution

The fourth proportional to 117,335.22, 161,923.38 and 63,621.06 is: 87,797.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,335.22 : 161,923.38 = 63,621.06 : x
  2. Step 2: Convert to fraction form
    117,335.22/161,923.38 = 63,621.06/x
  3. Step 3: Cross multiply
    117,335.22x = 161,923.38 × 63,621.06
  4. Step 4: Simplify right side
    117,335.22x = 10,301,737,074.38
  5. Step 5: Solve for x
    x = 10,301,737,074.38/117,335.22
  6. Step 6: Final answer
    x = 87,797.48

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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.