Home / 49,886.37-68,840.43-28,373.21

Finding the Fourth Proportional to 49,886.37, 68,840.43 and 28,373.21

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Solution

The fourth proportional to 49,886.37, 68,840.43 and 28,373.21 is: 39,153.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,886.37 : 68,840.43 = 28,373.21 : x
  2. Step 2: Convert to fraction form
    49,886.37/68,840.43 = 28,373.21/x
  3. Step 3: Cross multiply
    49,886.37x = 68,840.43 × 28,373.21
  4. Step 4: Simplify right side
    49,886.37x = 1,953,223,976.88
  5. Step 5: Solve for x
    x = 1,953,223,976.88/49,886.37
  6. Step 6: Final answer
    x = 39,153.46

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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.