Home / 118,104.48-162,991.44-67,811.04

Finding the Fourth Proportional to 118,104.48, 162,991.44 and 67,811.04

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Solution

The fourth proportional to 118,104.48, 162,991.44 and 67,811.04 is: 93,583.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,104.48 : 162,991.44 = 67,811.04 : x
  2. Step 2: Convert to fraction form
    118,104.48/162,991.44 = 67,811.04/x
  3. Step 3: Cross multiply
    118,104.48x = 162,991.44 × 67,811.04
  4. Step 4: Simplify right side
    118,104.48x = 11,052,619,057.50
  5. Step 5: Solve for x
    x = 11,052,619,057.50/118,104.48
  6. Step 6: Final answer
    x = 93,583.40

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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.