Home / 80,573.08-120,828.54-30,626.92

Finding the Fourth Proportional to 80,573.08, 120,828.54 and 30,626.92

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Solution

The fourth proportional to 80,573.08, 120,828.54 and 30,626.92 is: 45,928.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,573.08 : 120,828.54 = 30,626.92 : x
  2. Step 2: Convert to fraction form
    80,573.08/120,828.54 = 30,626.92/x
  3. Step 3: Cross multiply
    80,573.08x = 120,828.54 × 30,626.92
  4. Step 4: Simplify right side
    80,573.08x = 3,700,606,028.30
  5. Step 5: Solve for x
    x = 3,700,606,028.30/80,573.08
  6. Step 6: Final answer
    x = 45,928.57

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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.