Home / 80,893.44-111,545.24-55,068.66

Finding the Fourth Proportional to 80,893.44, 111,545.24 and 55,068.66

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Solution

The fourth proportional to 80,893.44, 111,545.24 and 55,068.66 is: 75,935.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,893.44 : 111,545.24 = 55,068.66 : x
  2. Step 2: Convert to fraction form
    80,893.44/111,545.24 = 55,068.66/x
  3. Step 3: Cross multiply
    80,893.44x = 111,545.24 × 55,068.66
  4. Step 4: Simplify right side
    80,893.44x = 6,142,646,620.84
  5. Step 5: Solve for x
    x = 6,142,646,620.84/80,893.44
  6. Step 6: Final answer
    x = 75,935.04

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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.