Home / 49,435.37-74,152.43-11,995.75

Finding the Fourth Proportional to 49,435.37, 74,152.43 and 11,995.75

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Solution

The fourth proportional to 49,435.37, 74,152.43 and 11,995.75 is: 17,993.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,435.37 : 74,152.43 = 11,995.75 : x
  2. Step 2: Convert to fraction form
    49,435.37/74,152.43 = 11,995.75/x
  3. Step 3: Cross multiply
    49,435.37x = 74,152.43 × 11,995.75
  4. Step 4: Simplify right side
    49,435.37x = 889,514,012.17
  5. Step 5: Solve for x
    x = 889,514,012.17/49,435.37
  6. Step 6: Final answer
    x = 17,993.47

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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.