Home / 49,984.78-74,940.14-30,258.67

Finding the Fourth Proportional to 49,984.78, 74,940.14 and 30,258.67

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Solution

The fourth proportional to 49,984.78, 74,940.14 and 30,258.67 is: 45,365.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,984.78 : 74,940.14 = 30,258.67 : x
  2. Step 2: Convert to fraction form
    49,984.78/74,940.14 = 30,258.67/x
  3. Step 3: Cross multiply
    49,984.78x = 74,940.14 × 30,258.67
  4. Step 4: Simplify right side
    49,984.78x = 2,267,588,814.72
  5. Step 5: Solve for x
    x = 2,267,588,814.72/49,984.78
  6. Step 6: Final answer
    x = 45,365.59

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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.