Home / 67,093.07-100,638.89-17,172.77

Finding the Fourth Proportional to 67,093.07, 100,638.89 and 17,172.77

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Solution

The fourth proportional to 67,093.07, 100,638.89 and 17,172.77 is: 25,758.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,093.07 : 100,638.89 = 17,172.77 : x
  2. Step 2: Convert to fraction form
    67,093.07/100,638.89 = 17,172.77/x
  3. Step 3: Cross multiply
    67,093.07x = 100,638.89 × 17,172.77
  4. Step 4: Simplify right side
    67,093.07x = 1,728,248,805.55
  5. Step 5: Solve for x
    x = 1,728,248,805.55/67,093.07
  6. Step 6: Final answer
    x = 25,758.98

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1.5x scale

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.