Home / 43,556.64-65,334.78-28,762.04

Finding the Fourth Proportional to 43,556.64, 65,334.78 and 28,762.04

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Solution

The fourth proportional to 43,556.64, 65,334.78 and 28,762.04 is: 43,142.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,556.64 : 65,334.78 = 28,762.04 : x
  2. Step 2: Convert to fraction form
    43,556.64/65,334.78 = 28,762.04/x
  3. Step 3: Cross multiply
    43,556.64x = 65,334.78 × 28,762.04
  4. Step 4: Simplify right side
    43,556.64x = 1,879,161,555.75
  5. Step 5: Solve for x
    x = 1,879,161,555.75/43,556.64
  6. Step 6: Final answer
    x = 43,142.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.