Home / 82,704.42-124,056.66-20,374.92

Finding the Fourth Proportional to 82,704.42, 124,056.66 and 20,374.92

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Solution

The fourth proportional to 82,704.42, 124,056.66 and 20,374.92 is: 30,562.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,704.42 : 124,056.66 = 20,374.92 : x
  2. Step 2: Convert to fraction form
    82,704.42/124,056.66 = 20,374.92/x
  3. Step 3: Cross multiply
    82,704.42x = 124,056.66 × 20,374.92
  4. Step 4: Simplify right side
    82,704.42x = 2,527,644,522.97
  5. Step 5: Solve for x
    x = 2,527,644,522.97/82,704.42
  6. Step 6: Final answer
    x = 30,562.39

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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.