Home / 80,539.68-111,142.83-44,729.37

Finding the Fourth Proportional to 80,539.68, 111,142.83 and 44,729.37

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Solution

The fourth proportional to 80,539.68, 111,142.83 and 44,729.37 is: 61,725.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,539.68 : 111,142.83 = 44,729.37 : x
  2. Step 2: Convert to fraction form
    80,539.68/111,142.83 = 44,729.37/x
  3. Step 3: Cross multiply
    80,539.68x = 111,142.83 × 44,729.37
  4. Step 4: Simplify right side
    80,539.68x = 4,971,348,765.92
  5. Step 5: Solve for x
    x = 4,971,348,765.92/80,539.68
  6. Step 6: Final answer
    x = 61,725.46

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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.