Home / 55,942.05-77,160.72-36,815.73

Finding the Fourth Proportional to 55,942.05, 77,160.72 and 36,815.73

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Solution

The fourth proportional to 55,942.05, 77,160.72 and 36,815.73 is: 50,779.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,942.05 : 77,160.72 = 36,815.73 : x
  2. Step 2: Convert to fraction form
    55,942.05/77,160.72 = 36,815.73/x
  3. Step 3: Cross multiply
    55,942.05x = 77,160.72 × 36,815.73
  4. Step 4: Simplify right side
    55,942.05x = 2,840,728,234.13
  5. Step 5: Solve for x
    x = 2,840,728,234.13/55,942.05
  6. Step 6: Final answer
    x = 50,779.84

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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.