Home / 51,984.23-77,920.08-33,978.23

Finding the Fourth Proportional to 51,984.23, 77,920.08 and 33,978.23

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Solution

The fourth proportional to 51,984.23, 77,920.08 and 33,978.23 is: 50,930.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,984.23 : 77,920.08 = 33,978.23 : x
  2. Step 2: Convert to fraction form
    51,984.23/77,920.08 = 33,978.23/x
  3. Step 3: Cross multiply
    51,984.23x = 77,920.08 × 33,978.23
  4. Step 4: Simplify right side
    51,984.23x = 2,647,586,613.34
  5. Step 5: Solve for x
    x = 2,647,586,613.34/51,984.23
  6. Step 6: Final answer
    x = 50,930.57

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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.