Home / 49,840.18-68,764.24-28,328.31

Finding the Fourth Proportional to 49,840.18, 68,764.24 and 28,328.31

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Solution

The fourth proportional to 49,840.18, 68,764.24 and 28,328.31 is: 39,084.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,840.18 : 68,764.24 = 28,328.31 : x
  2. Step 2: Convert to fraction form
    49,840.18/68,764.24 = 28,328.31/x
  3. Step 3: Cross multiply
    49,840.18x = 68,764.24 × 28,328.31
  4. Step 4: Simplify right side
    49,840.18x = 1,947,974,707.63
  5. Step 5: Solve for x
    x = 1,947,974,707.63/49,840.18
  6. Step 6: Final answer
    x = 39,084.42

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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.