Home / 104,723.50-144,517.62-56,976.70

Finding the Fourth Proportional to 104,723.50, 144,517.62 and 56,976.70

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Solution

The fourth proportional to 104,723.50, 144,517.62 and 56,976.70 is: 78,627.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,723.50 : 144,517.62 = 56,976.70 : x
  2. Step 2: Convert to fraction form
    104,723.50/144,517.62 = 56,976.70/x
  3. Step 3: Cross multiply
    104,723.50x = 144,517.62 × 56,976.70
  4. Step 4: Simplify right side
    104,723.50x = 8,234,137,079.45
  5. Step 5: Solve for x
    x = 8,234,137,079.45/104,723.50
  6. Step 6: Final answer
    x = 78,627.41

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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.