Home / 104,049.80-143,589.22-58,729.70

Finding the Fourth Proportional to 104,049.80, 143,589.22 and 58,729.70

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Solution

The fourth proportional to 104,049.80, 143,589.22 and 58,729.70 is: 81,047.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,049.80 : 143,589.22 = 58,729.70 : x
  2. Step 2: Convert to fraction form
    104,049.80/143,589.22 = 58,729.70/x
  3. Step 3: Cross multiply
    104,049.80x = 143,589.22 × 58,729.70
  4. Step 4: Simplify right side
    104,049.80x = 8,432,951,813.83
  5. Step 5: Solve for x
    x = 8,432,951,813.83/104,049.80
  6. Step 6: Final answer
    x = 81,047.27

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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.