Home / 80,790.22-111,487.86-44,979.04

Finding the Fourth Proportional to 80,790.22, 111,487.86 and 44,979.04

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Solution

The fourth proportional to 80,790.22, 111,487.86 and 44,979.04 is: 62,069.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,790.22 : 111,487.86 = 44,979.04 : x
  2. Step 2: Convert to fraction form
    80,790.22/111,487.86 = 44,979.04/x
  3. Step 3: Cross multiply
    80,790.22x = 111,487.86 × 44,979.04
  4. Step 4: Simplify right side
    80,790.22x = 5,014,616,914.45
  5. Step 5: Solve for x
    x = 5,014,616,914.45/80,790.22
  6. Step 6: Final answer
    x = 62,069.60

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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.