Home / 108,529.53-162,849.81-51,667.69

Finding the Fourth Proportional to 108,529.53, 162,849.81 and 51,667.69

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Solution

The fourth proportional to 108,529.53, 162,849.81 and 51,667.69 is: 77,527.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,529.53 : 162,849.81 = 51,667.69 : x
  2. Step 2: Convert to fraction form
    108,529.53/162,849.81 = 51,667.69/x
  3. Step 3: Cross multiply
    108,529.53x = 162,849.81 × 51,667.69
  4. Step 4: Simplify right side
    108,529.53x = 8,414,073,499.64
  5. Step 5: Solve for x
    x = 8,414,073,499.64/108,529.53
  6. Step 6: Final answer
    x = 77,527.96

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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.