Home / 67,200.12-100,862.52-33,943.54

Finding the Fourth Proportional to 67,200.12, 100,862.52 and 33,943.54

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Solution

The fourth proportional to 67,200.12, 100,862.52 and 33,943.54 is: 50,946.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,200.12 : 100,862.52 = 33,943.54 : x
  2. Step 2: Convert to fraction form
    67,200.12/100,862.52 = 33,943.54/x
  3. Step 3: Cross multiply
    67,200.12x = 100,862.52 × 33,943.54
  4. Step 4: Simplify right side
    67,200.12x = 3,423,630,982.12
  5. Step 5: Solve for x
    x = 3,423,630,982.12/67,200.12
  6. Step 6: Final answer
    x = 50,946.80

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1.5x scale

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.