Home / 80,709.24-111,378.96-44,899.50

Finding the Fourth Proportional to 80,709.24, 111,378.96 and 44,899.50

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Solution

The fourth proportional to 80,709.24, 111,378.96 and 44,899.50 is: 61,961.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,709.24 : 111,378.96 = 44,899.50 : x
  2. Step 2: Convert to fraction form
    80,709.24/111,378.96 = 44,899.50/x
  3. Step 3: Cross multiply
    80,709.24x = 111,378.96 × 44,899.50
  4. Step 4: Simplify right side
    80,709.24x = 5,000,859,614.52
  5. Step 5: Solve for x
    x = 5,000,859,614.52/80,709.24
  6. Step 6: Final answer
    x = 61,961.43

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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.