Home / 123,873.36-170,944.65-67,284.60

Finding the Fourth Proportional to 123,873.36, 170,944.65 and 67,284.60

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Solution

The fourth proportional to 123,873.36, 170,944.65 and 67,284.60 is: 92,852.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,873.36 : 170,944.65 = 67,284.60 : x
  2. Step 2: Convert to fraction form
    123,873.36/170,944.65 = 67,284.60/x
  3. Step 3: Cross multiply
    123,873.36x = 170,944.65 × 67,284.60
  4. Step 4: Simplify right side
    123,873.36x = 11,501,942,397.39
  5. Step 5: Solve for x
    x = 11,501,942,397.39/123,873.36
  6. Step 6: Final answer
    x = 92,852.43

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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.