Home / 49,668.50-74,330.87-30,685.34

Finding the Fourth Proportional to 49,668.50, 74,330.87 and 30,685.34

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Solution

The fourth proportional to 49,668.50, 74,330.87 and 30,685.34 is: 45,921.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,668.50 : 74,330.87 = 30,685.34 : x
  2. Step 2: Convert to fraction form
    49,668.50/74,330.87 = 30,685.34/x
  3. Step 3: Cross multiply
    49,668.50x = 74,330.87 × 30,685.34
  4. Step 4: Simplify right side
    49,668.50x = 2,280,867,493.36
  5. Step 5: Solve for x
    x = 2,280,867,493.36/49,668.50
  6. Step 6: Final answer
    x = 45,921.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.