Home / 49,842.86-68,780.58-28,329.80

Finding the Fourth Proportional to 49,842.86, 68,780.58 and 28,329.80

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Solution

The fourth proportional to 49,842.86, 68,780.58 and 28,329.80 is: 39,093.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,842.86 : 68,780.58 = 28,329.80 : x
  2. Step 2: Convert to fraction form
    49,842.86/68,780.58 = 28,329.80/x
  3. Step 3: Cross multiply
    49,842.86x = 68,780.58 × 28,329.80
  4. Step 4: Simplify right side
    49,842.86x = 1,948,540,075.28
  5. Step 5: Solve for x
    x = 1,948,540,075.28/49,842.86
  6. Step 6: Final answer
    x = 39,093.67

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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.