Home / 49,451.03-74,171.08-13,913.47

Finding the Fourth Proportional to 49,451.03, 74,171.08 and 13,913.47

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Solution

The fourth proportional to 49,451.03, 74,171.08 and 13,913.47 is: 20,868.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,451.03 : 74,171.08 = 13,913.47 : x
  2. Step 2: Convert to fraction form
    49,451.03/74,171.08 = 13,913.47/x
  3. Step 3: Cross multiply
    49,451.03x = 74,171.08 × 13,913.47
  4. Step 4: Simplify right side
    49,451.03x = 1,031,977,096.45
  5. Step 5: Solve for x
    x = 1,031,977,096.45/49,451.03
  6. Step 6: Final answer
    x = 20,868.67

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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.