Home / 115,925.67-159,974.35-68,181.94

Finding the Fourth Proportional to 115,925.67, 159,974.35 and 68,181.94

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Solution

The fourth proportional to 115,925.67, 159,974.35 and 68,181.94 is: 94,089.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,925.67 : 159,974.35 = 68,181.94 : x
  2. Step 2: Convert to fraction form
    115,925.67/159,974.35 = 68,181.94/x
  3. Step 3: Cross multiply
    115,925.67x = 159,974.35 × 68,181.94
  4. Step 4: Simplify right side
    115,925.67x = 10,907,361,533.24
  5. Step 5: Solve for x
    x = 10,907,361,533.24/115,925.67
  6. Step 6: Final answer
    x = 94,089.27

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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.