Home / 124,761.14-172,174.62-68,176.16

Finding the Fourth Proportional to 124,761.14, 172,174.62 and 68,176.16

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Solution

The fourth proportional to 124,761.14, 172,174.62 and 68,176.16 is: 94,085.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,761.14 : 172,174.62 = 68,176.16 : x
  2. Step 2: Convert to fraction form
    124,761.14/172,174.62 = 68,176.16/x
  3. Step 3: Cross multiply
    124,761.14x = 172,174.62 × 68,176.16
  4. Step 4: Simplify right side
    124,761.14x = 11,738,204,441.06
  5. Step 5: Solve for x
    x = 11,738,204,441.06/124,761.14
  6. Step 6: Final answer
    x = 94,085.42

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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.