Home / 53,370.84-73,439.28-51,747.60

Finding the Fourth Proportional to 53,370.84, 73,439.28 and 51,747.60

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Solution

The fourth proportional to 53,370.84, 73,439.28 and 51,747.60 is: 71,205.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,370.84 : 73,439.28 = 51,747.60 : x
  2. Step 2: Convert to fraction form
    53,370.84/73,439.28 = 51,747.60/x
  3. Step 3: Cross multiply
    53,370.84x = 73,439.28 × 51,747.60
  4. Step 4: Simplify right side
    53,370.84x = 3,800,306,485.73
  5. Step 5: Solve for x
    x = 3,800,306,485.73/53,370.84
  6. Step 6: Final answer
    x = 71,205.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.