Home / 80,110.14-120,048.33-45,059.58

Finding the Fourth Proportional to 80,110.14, 120,048.33 and 45,059.58

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Solution

The fourth proportional to 80,110.14, 120,048.33 and 45,059.58 is: 67,523.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,110.14 : 120,048.33 = 45,059.58 : x
  2. Step 2: Convert to fraction form
    80,110.14/120,048.33 = 45,059.58/x
  3. Step 3: Cross multiply
    80,110.14x = 120,048.33 × 45,059.58
  4. Step 4: Simplify right side
    80,110.14x = 5,409,327,329.50
  5. Step 5: Solve for x
    x = 5,409,327,329.50/80,110.14
  6. Step 6: Final answer
    x = 67,523.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.