Home / 123,824.58-170,876.43-67,236.36

Finding the Fourth Proportional to 123,824.58, 170,876.43 and 67,236.36

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Solution

The fourth proportional to 123,824.58, 170,876.43 and 67,236.36 is: 92,785.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,824.58 : 170,876.43 = 67,236.36 : x
  2. Step 2: Convert to fraction form
    123,824.58/170,876.43 = 67,236.36/x
  3. Step 3: Cross multiply
    123,824.58x = 170,876.43 × 67,236.36
  4. Step 4: Simplify right side
    123,824.58x = 11,489,109,162.99
  5. Step 5: Solve for x
    x = 11,489,109,162.99/123,824.58
  6. Step 6: Final answer
    x = 92,785.37

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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.