Home / 51,976.10-78,000.60-33,301.55

Finding the Fourth Proportional to 51,976.10, 78,000.60 and 33,301.55

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Solution

The fourth proportional to 51,976.10, 78,000.60 and 33,301.55 is: 49,975.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,976.10 : 78,000.60 = 33,301.55 : x
  2. Step 2: Convert to fraction form
    51,976.10/78,000.60 = 33,301.55/x
  3. Step 3: Cross multiply
    51,976.10x = 78,000.60 × 33,301.55
  4. Step 4: Simplify right side
    51,976.10x = 2,597,540,880.93
  5. Step 5: Solve for x
    x = 2,597,540,880.93/51,976.10
  6. Step 6: Final answer
    x = 49,975.68

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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.