Home / 67,629.63-101,453.66-28,177.50

Finding the Fourth Proportional to 67,629.63, 101,453.66 and 28,177.50

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Solution

The fourth proportional to 67,629.63, 101,453.66 and 28,177.50 is: 42,270.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,629.63 : 101,453.66 = 28,177.50 : x
  2. Step 2: Convert to fraction form
    67,629.63/101,453.66 = 28,177.50/x
  3. Step 3: Cross multiply
    67,629.63x = 101,453.66 × 28,177.50
  4. Step 4: Simplify right side
    67,629.63x = 2,858,710,504.65
  5. Step 5: Solve for x
    x = 2,858,710,504.65/67,629.63
  6. Step 6: Final answer
    x = 42,270.09

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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.