Home / 112,108.74-168,158.25-27,867.12

Finding the Fourth Proportional to 112,108.74, 168,158.25 and 27,867.12

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Solution

The fourth proportional to 112,108.74, 168,158.25 and 27,867.12 is: 41,799.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,108.74 : 168,158.25 = 27,867.12 : x
  2. Step 2: Convert to fraction form
    112,108.74/168,158.25 = 27,867.12/x
  3. Step 3: Cross multiply
    112,108.74x = 168,158.25 × 27,867.12
  4. Step 4: Simplify right side
    112,108.74x = 4,686,086,131.74
  5. Step 5: Solve for x
    x = 4,686,086,131.74/112,108.74
  6. Step 6: Final answer
    x = 41,799.47

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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.