Home / 123,698.49-170,704.35-67,110.27

Finding the Fourth Proportional to 123,698.49, 170,704.35 and 67,110.27

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Solution

The fourth proportional to 123,698.49, 170,704.35 and 67,110.27 is: 92,612.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,698.49 : 170,704.35 = 67,110.27 : x
  2. Step 2: Convert to fraction form
    123,698.49/170,704.35 = 67,110.27/x
  3. Step 3: Cross multiply
    123,698.49x = 170,704.35 × 67,110.27
  4. Step 4: Simplify right side
    123,698.49x = 11,456,015,018.67
  5. Step 5: Solve for x
    x = 11,456,015,018.67/123,698.49
  6. Step 6: Final answer
    x = 92,612.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.