Home / 67,268.04-100,915.32-19,883.96

Finding the Fourth Proportional to 67,268.04, 100,915.32 and 19,883.96

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Solution

The fourth proportional to 67,268.04, 100,915.32 and 19,883.96 is: 29,829.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,268.04 : 100,915.32 = 19,883.96 : x
  2. Step 2: Convert to fraction form
    67,268.04/100,915.32 = 19,883.96/x
  3. Step 3: Cross multiply
    67,268.04x = 100,915.32 × 19,883.96
  4. Step 4: Simplify right side
    67,268.04x = 2,006,596,186.27
  5. Step 5: Solve for x
    x = 2,006,596,186.27/67,268.04
  6. Step 6: Final answer
    x = 29,829.86

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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.