Home / 80,511.48-111,106.77-44,214.57

Finding the Fourth Proportional to 80,511.48, 111,106.77 and 44,214.57

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Solution

The fourth proportional to 80,511.48, 111,106.77 and 44,214.57 is: 61,016.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,511.48 : 111,106.77 = 44,214.57 : x
  2. Step 2: Convert to fraction form
    80,511.48/111,106.77 = 44,214.57/x
  3. Step 3: Cross multiply
    80,511.48x = 111,106.77 × 44,214.57
  4. Step 4: Simplify right side
    80,511.48x = 4,912,538,059.64
  5. Step 5: Solve for x
    x = 4,912,538,059.64/80,511.48
  6. Step 6: Final answer
    x = 61,016.62

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1.5x scale

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.