Home / 67,277.40-100,929.41-19,893.35

Finding the Fourth Proportional to 67,277.40, 100,929.41 and 19,893.35

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Solution

The fourth proportional to 67,277.40, 100,929.41 and 19,893.35 is: 29,843.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,277.40 : 100,929.41 = 19,893.35 : x
  2. Step 2: Convert to fraction form
    67,277.40/100,929.41 = 19,893.35/x
  3. Step 3: Cross multiply
    67,277.40x = 100,929.41 × 19,893.35
  4. Step 4: Simplify right side
    67,277.40x = 2,007,823,474.31
  5. Step 5: Solve for x
    x = 2,007,823,474.31/67,277.40
  6. Step 6: Final answer
    x = 29,843.95

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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.