Home / 49,974.45-74,961.66-13,038.45

Finding the Fourth Proportional to 49,974.45, 74,961.66 and 13,038.45

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Solution

The fourth proportional to 49,974.45, 74,961.66 and 13,038.45 is: 19,557.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,974.45 : 74,961.66 = 13,038.45 : x
  2. Step 2: Convert to fraction form
    49,974.45/74,961.66 = 13,038.45/x
  3. Step 3: Cross multiply
    49,974.45x = 74,961.66 × 13,038.45
  4. Step 4: Simplify right side
    49,974.45x = 977,383,855.83
  5. Step 5: Solve for x
    x = 977,383,855.83/49,974.45
  6. Step 6: Final answer
    x = 19,557.67

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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.