Home / 43,762.91-65,627.84-14,172.80

Finding the Fourth Proportional to 43,762.91, 65,627.84 and 14,172.80

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Solution

The fourth proportional to 43,762.91, 65,627.84 and 14,172.80 is: 21,253.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,762.91 : 65,627.84 = 14,172.80 : x
  2. Step 2: Convert to fraction form
    43,762.91/65,627.84 = 14,172.80/x
  3. Step 3: Cross multiply
    43,762.91x = 65,627.84 × 14,172.80
  4. Step 4: Simplify right side
    43,762.91x = 930,129,958.04
  5. Step 5: Solve for x
    x = 930,129,958.04/43,762.91
  6. Step 6: Final answer
    x = 21,253.84

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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.