Home / 49,512.80-74,168.40-30,735.20

Finding the Fourth Proportional to 49,512.80, 74,168.40 and 30,735.20

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Solution

The fourth proportional to 49,512.80, 74,168.40 and 30,735.20 is: 46,040.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,512.80 : 74,168.40 = 30,735.20 : x
  2. Step 2: Convert to fraction form
    49,512.80/74,168.40 = 30,735.20/x
  3. Step 3: Cross multiply
    49,512.80x = 74,168.40 × 30,735.20
  4. Step 4: Simplify right side
    49,512.80x = 2,279,580,607.68
  5. Step 5: Solve for x
    x = 2,279,580,607.68/49,512.80
  6. Step 6: Final answer
    x = 46,040.23

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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.