Home / 117,091.07-161,584.67-63,375.62

Finding the Fourth Proportional to 117,091.07, 161,584.67 and 63,375.62

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Solution

The fourth proportional to 117,091.07, 161,584.67 and 63,375.62 is: 87,457.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,091.07 : 161,584.67 = 63,375.62 : x
  2. Step 2: Convert to fraction form
    117,091.07/161,584.67 = 63,375.62/x
  3. Step 3: Cross multiply
    117,091.07x = 161,584.67 × 63,375.62
  4. Step 4: Simplify right side
    117,091.07x = 10,240,527,994.26
  5. Step 5: Solve for x
    x = 10,240,527,994.26/117,091.07
  6. Step 6: Final answer
    x = 87,457.81

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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.