Home / 116,919.54-161,402.94-68,514.75

Finding the Fourth Proportional to 116,919.54, 161,402.94 and 68,514.75

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Solution

The fourth proportional to 116,919.54, 161,402.94 and 68,514.75 is: 94,581.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,919.54 : 161,402.94 = 68,514.75 : x
  2. Step 2: Convert to fraction form
    116,919.54/161,402.94 = 68,514.75/x
  3. Step 3: Cross multiply
    116,919.54x = 161,402.94 × 68,514.75
  4. Step 4: Simplify right side
    116,919.54x = 11,058,482,083.37
  5. Step 5: Solve for x
    x = 11,058,482,083.37/116,919.54
  6. Step 6: Final answer
    x = 94,581.98

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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.