Home / 51,599.23-77,420.73-28,198.33

Finding the Fourth Proportional to 51,599.23, 77,420.73 and 28,198.33

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Solution

The fourth proportional to 51,599.23, 77,420.73 and 28,198.33 is: 42,309.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,599.23 : 77,420.73 = 28,198.33 : x
  2. Step 2: Convert to fraction form
    51,599.23/77,420.73 = 28,198.33/x
  3. Step 3: Cross multiply
    51,599.23x = 77,420.73 × 28,198.33
  4. Step 4: Simplify right side
    51,599.23x = 2,183,135,293.38
  5. Step 5: Solve for x
    x = 2,183,135,293.38/51,599.23
  6. Step 6: Final answer
    x = 42,309.45

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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.