Home / 112,111.24-168,162-27,869.64

Finding the Fourth Proportional to 112,111.24, 168,162 and 27,869.64

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Solution

The fourth proportional to 112,111.24, 168,162 and 27,869.64 is: 41,803.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,111.24 : 168,162 = 27,869.64 : x
  2. Step 2: Convert to fraction form
    112,111.24/168,162 = 27,869.64/x
  3. Step 3: Cross multiply
    112,111.24x = 168,162 × 27,869.64
  4. Step 4: Simplify right side
    112,111.24x = 4,686,614,401.68
  5. Step 5: Solve for x
    x = 4,686,614,401.68/112,111.24
  6. Step 6: Final answer
    x = 41,803.25

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1.5x scale

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.