Home / 124,546.96-171,825.42-76,717.36

Finding the Fourth Proportional to 124,546.96, 171,825.42 and 76,717.36

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Solution

The fourth proportional to 124,546.96, 171,825.42 and 76,717.36 is: 105,839.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,546.96 : 171,825.42 = 76,717.36 : x
  2. Step 2: Convert to fraction form
    124,546.96/171,825.42 = 76,717.36/x
  3. Step 3: Cross multiply
    124,546.96x = 171,825.42 × 76,717.36
  4. Step 4: Simplify right side
    124,546.96x = 13,181,992,603.29
  5. Step 5: Solve for x
    x = 13,181,992,603.29/124,546.96
  6. Step 6: Final answer
    x = 105,839.54

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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.