Home / 112,107.49-168,156.38-27,865.87

Finding the Fourth Proportional to 112,107.49, 168,156.38 and 27,865.87

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Solution

The fourth proportional to 112,107.49, 168,156.38 and 27,865.87 is: 41,797.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,107.49 : 168,156.38 = 27,865.87 : x
  2. Step 2: Convert to fraction form
    112,107.49/168,156.38 = 27,865.87/x
  3. Step 3: Cross multiply
    112,107.49x = 168,156.38 × 27,865.87
  4. Step 4: Simplify right side
    112,107.49x = 4,685,823,685.42
  5. Step 5: Solve for x
    x = 4,685,823,685.42/112,107.49
  6. Step 6: Final answer
    x = 41,797.60

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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.