Home / 80,099.45-110,518.83-47,827.77

Finding the Fourth Proportional to 80,099.45, 110,518.83 and 47,827.77

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Solution

The fourth proportional to 80,099.45, 110,518.83 and 47,827.77 is: 65,991.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,099.45 : 110,518.83 = 47,827.77 : x
  2. Step 2: Convert to fraction form
    80,099.45/110,518.83 = 47,827.77/x
  3. Step 3: Cross multiply
    80,099.45x = 110,518.83 × 47,827.77
  4. Step 4: Simplify right side
    80,099.45x = 5,285,868,767.46
  5. Step 5: Solve for x
    x = 5,285,868,767.46/80,099.45
  6. Step 6: Final answer
    x = 65,991.33

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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.