Home / 111,879.08-167,824.16-31,928.84

Finding the Fourth Proportional to 111,879.08, 167,824.16 and 31,928.84

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Solution

The fourth proportional to 111,879.08, 167,824.16 and 31,928.84 is: 47,894.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,879.08 : 167,824.16 = 31,928.84 : x
  2. Step 2: Convert to fraction form
    111,879.08/167,824.16 = 31,928.84/x
  3. Step 3: Cross multiply
    111,879.08x = 167,824.16 × 31,928.84
  4. Step 4: Simplify right side
    111,879.08x = 5,358,429,754.01
  5. Step 5: Solve for x
    x = 5,358,429,754.01/111,879.08
  6. Step 6: Final answer
    x = 47,894.83

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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.