Home / 55,318.32-76,349.88-51,942.24

Finding the Fourth Proportional to 55,318.32, 76,349.88 and 51,942.24

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Solution

The fourth proportional to 55,318.32, 76,349.88 and 51,942.24 is: 71,690.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,318.32 : 76,349.88 = 51,942.24 : x
  2. Step 2: Convert to fraction form
    55,318.32/76,349.88 = 51,942.24/x
  3. Step 3: Cross multiply
    55,318.32x = 76,349.88 × 51,942.24
  4. Step 4: Simplify right side
    55,318.32x = 3,965,783,790.93
  5. Step 5: Solve for x
    x = 3,965,783,790.93/55,318.32
  6. Step 6: Final answer
    x = 71,690.24

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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.