Home / 123,513.18-170,448.44-66,924.56

Finding the Fourth Proportional to 123,513.18, 170,448.44 and 66,924.56

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Solution

The fourth proportional to 123,513.18, 170,448.44 and 66,924.56 is: 92,356.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,513.18 : 170,448.44 = 66,924.56 : x
  2. Step 2: Convert to fraction form
    123,513.18/170,448.44 = 66,924.56/x
  3. Step 3: Cross multiply
    123,513.18x = 170,448.44 × 66,924.56
  4. Step 4: Simplify right side
    123,513.18x = 11,407,185,662.82
  5. Step 5: Solve for x
    x = 11,407,185,662.82/123,513.18
  6. Step 6: Final answer
    x = 92,356.02

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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.