Home / 123,461.82-170,376.75-66,873.33

Finding the Fourth Proportional to 123,461.82, 170,376.75 and 66,873.33

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Solution

The fourth proportional to 123,461.82, 170,376.75 and 66,873.33 is: 92,284.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,461.82 : 170,376.75 = 66,873.33 : x
  2. Step 2: Convert to fraction form
    123,461.82/170,376.75 = 66,873.33/x
  3. Step 3: Cross multiply
    123,461.82x = 170,376.75 × 66,873.33
  4. Step 4: Simplify right side
    123,461.82x = 11,393,660,627.08
  5. Step 5: Solve for x
    x = 11,393,660,627.08/123,461.82
  6. Step 6: Final answer
    x = 92,284.89

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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.