Home / 43,748.96-65,633.85-14,166.78

Finding the Fourth Proportional to 43,748.96, 65,633.85 and 14,166.78

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Solution

The fourth proportional to 43,748.96, 65,633.85 and 14,166.78 is: 21,253.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,748.96 : 65,633.85 = 14,166.78 : x
  2. Step 2: Convert to fraction form
    43,748.96/65,633.85 = 14,166.78/x
  3. Step 3: Cross multiply
    43,748.96x = 65,633.85 × 14,166.78
  4. Step 4: Simplify right side
    43,748.96x = 929,820,313.50
  5. Step 5: Solve for x
    x = 929,820,313.50/43,748.96
  6. Step 6: Final answer
    x = 21,253.54

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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.