Home / 117,287.07-161,852.22-69,512.06

Finding the Fourth Proportional to 117,287.07, 161,852.22 and 69,512.06

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Solution

The fourth proportional to 117,287.07, 161,852.22 and 69,512.06 is: 95,924.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,287.07 : 161,852.22 = 69,512.06 : x
  2. Step 2: Convert to fraction form
    117,287.07/161,852.22 = 69,512.06/x
  3. Step 3: Cross multiply
    117,287.07x = 161,852.22 × 69,512.06
  4. Step 4: Simplify right side
    117,287.07x = 11,250,680,418.51
  5. Step 5: Solve for x
    x = 11,250,680,418.51/117,287.07
  6. Step 6: Final answer
    x = 95,924.30

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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.