Home / 114,787.62-172,440.63-68,071.14

Finding the Fourth Proportional to 114,787.62, 172,440.63 and 68,071.14

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Solution

The fourth proportional to 114,787.62, 172,440.63 and 68,071.14 is: 102,260.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,787.62 : 172,440.63 = 68,071.14 : x
  2. Step 2: Convert to fraction form
    114,787.62/172,440.63 = 68,071.14/x
  3. Step 3: Cross multiply
    114,787.62x = 172,440.63 × 68,071.14
  4. Step 4: Simplify right side
    114,787.62x = 11,738,230,266.42
  5. Step 5: Solve for x
    x = 11,738,230,266.42/114,787.62
  6. Step 6: Final answer
    x = 102,260.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.