Home / 67,628.63-101,452.16-28,176.50

Finding the Fourth Proportional to 67,628.63, 101,452.16 and 28,176.50

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Solution

The fourth proportional to 67,628.63, 101,452.16 and 28,176.50 is: 42,268.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,628.63 : 101,452.16 = 28,176.50 : x
  2. Step 2: Convert to fraction form
    67,628.63/101,452.16 = 28,176.50/x
  3. Step 3: Cross multiply
    67,628.63x = 101,452.16 × 28,176.50
  4. Step 4: Simplify right side
    67,628.63x = 2,858,566,786.24
  5. Step 5: Solve for x
    x = 2,858,566,786.24/67,628.63
  6. Step 6: Final answer
    x = 42,268.59

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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.