Home / 124,616.82-171,971.10-68,028.18

Finding the Fourth Proportional to 124,616.82, 171,971.10 and 68,028.18

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Solution

The fourth proportional to 124,616.82, 171,971.10 and 68,028.18 is: 93,878.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,616.82 : 171,971.10 = 68,028.18 : x
  2. Step 2: Convert to fraction form
    124,616.82/171,971.10 = 68,028.18/x
  3. Step 3: Cross multiply
    124,616.82x = 171,971.10 × 68,028.18
  4. Step 4: Simplify right side
    124,616.82x = 11,698,880,945.60
  5. Step 5: Solve for x
    x = 11,698,880,945.60/124,616.82
  6. Step 6: Final answer
    x = 93,878.83

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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.