Home / 55,628.46-82,946.49-49,446.54

Finding the Fourth Proportional to 55,628.46, 82,946.49 and 49,446.54

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Solution

The fourth proportional to 55,628.46, 82,946.49 and 49,446.54 is: 73,728.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,628.46 : 82,946.49 = 49,446.54 : x
  2. Step 2: Convert to fraction form
    55,628.46/82,946.49 = 49,446.54/x
  3. Step 3: Cross multiply
    55,628.46x = 82,946.49 × 49,446.54
  4. Step 4: Simplify right side
    55,628.46x = 4,101,416,935.64
  5. Step 5: Solve for x
    x = 4,101,416,935.64/55,628.46
  6. Step 6: Final answer
    x = 73,728.75

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.