Home / 124,849.68-187,361.64-54,749.04

Finding the Fourth Proportional to 124,849.68, 187,361.64 and 54,749.04

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Solution

The fourth proportional to 124,849.68, 187,361.64 and 54,749.04 is: 82,161.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,849.68 : 187,361.64 = 54,749.04 : x
  2. Step 2: Convert to fraction form
    124,849.68/187,361.64 = 54,749.04/x
  3. Step 3: Cross multiply
    124,849.68x = 187,361.64 × 54,749.04
  4. Step 4: Simplify right side
    124,849.68x = 10,257,869,922.83
  5. Step 5: Solve for x
    x = 10,257,869,922.83/124,849.68
  6. Step 6: Final answer
    x = 82,161.76

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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.