Home / 123,675.06-170,672.49-67,086.84

Finding the Fourth Proportional to 123,675.06, 170,672.49 and 67,086.84

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Solution

The fourth proportional to 123,675.06, 170,672.49 and 67,086.84 is: 92,580.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,675.06 : 170,672.49 = 67,086.84 : x
  2. Step 2: Convert to fraction form
    123,675.06/170,672.49 = 67,086.84/x
  3. Step 3: Cross multiply
    123,675.06x = 170,672.49 × 67,086.84
  4. Step 4: Simplify right side
    123,675.06x = 11,449,878,029.03
  5. Step 5: Solve for x
    x = 11,449,878,029.03/123,675.06
  6. Step 6: Final answer
    x = 92,580.33

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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.