Home / 47,776.44-65,914.02-28,906.68

Finding the Fourth Proportional to 47,776.44, 65,914.02 and 28,906.68

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Solution

The fourth proportional to 47,776.44, 65,914.02 and 28,906.68 is: 39,880.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,776.44 : 65,914.02 = 28,906.68 : x
  2. Step 2: Convert to fraction form
    47,776.44/65,914.02 = 28,906.68/x
  3. Step 3: Cross multiply
    47,776.44x = 65,914.02 × 28,906.68
  4. Step 4: Simplify right side
    47,776.44x = 1,905,355,483.65
  5. Step 5: Solve for x
    x = 1,905,355,483.65/47,776.44
  6. Step 6: Final answer
    x = 39,880.65

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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.