Home / 112,614.72-168,585.54-68,106.84

Finding the Fourth Proportional to 112,614.72, 168,585.54 and 68,106.84

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Solution

The fourth proportional to 112,614.72, 168,585.54 and 68,106.84 is: 101,956.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,614.72 : 168,585.54 = 68,106.84 : x
  2. Step 2: Convert to fraction form
    112,614.72/168,585.54 = 68,106.84/x
  3. Step 3: Cross multiply
    112,614.72x = 168,585.54 × 68,106.84
  4. Step 4: Simplify right side
    112,614.72x = 11,481,828,399.09
  5. Step 5: Solve for x
    x = 11,481,828,399.09/112,614.72
  6. Step 6: Final answer
    x = 101,956.73

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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.