Home / 49,828.90-68,692.44-39,200.08

Finding the Fourth Proportional to 49,828.90, 68,692.44 and 39,200.08

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Solution

The fourth proportional to 49,828.90, 68,692.44 and 39,200.08 is: 54,039.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,828.90 : 68,692.44 = 39,200.08 : x
  2. Step 2: Convert to fraction form
    49,828.90/68,692.44 = 39,200.08/x
  3. Step 3: Cross multiply
    49,828.90x = 68,692.44 × 39,200.08
  4. Step 4: Simplify right side
    49,828.90x = 2,692,749,143.40
  5. Step 5: Solve for x
    x = 2,692,749,143.40/49,828.90
  6. Step 6: Final answer
    x = 54,039.91

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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.