Home / 49,983.23-68,965.73-28,762.49

Finding the Fourth Proportional to 49,983.23, 68,965.73 and 28,762.49

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Solution

The fourth proportional to 49,983.23, 68,965.73 and 28,762.49 is: 39,685.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,983.23 : 68,965.73 = 28,762.49 : x
  2. Step 2: Convert to fraction form
    49,983.23/68,965.73 = 28,762.49/x
  3. Step 3: Cross multiply
    49,983.23x = 68,965.73 × 28,762.49
  4. Step 4: Simplify right side
    49,983.23x = 1,983,626,255.93
  5. Step 5: Solve for x
    x = 1,983,626,255.93/49,983.23
  6. Step 6: Final answer
    x = 39,685.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.