Home / 124,704.46-187,056.69-45,784.54

Finding the Fourth Proportional to 124,704.46, 187,056.69 and 45,784.54

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Solution

The fourth proportional to 124,704.46, 187,056.69 and 45,784.54 is: 68,676.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,704.46 : 187,056.69 = 45,784.54 : x
  2. Step 2: Convert to fraction form
    124,704.46/187,056.69 = 45,784.54/x
  3. Step 3: Cross multiply
    124,704.46x = 187,056.69 × 45,784.54
  4. Step 4: Simplify right side
    124,704.46x = 8,564,304,505.57
  5. Step 5: Solve for x
    x = 8,564,304,505.57/124,704.46
  6. Step 6: Final answer
    x = 68,676.81

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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.