Home / 112,015.08-168,092.88-45,455.52

Finding the Fourth Proportional to 112,015.08, 168,092.88 and 45,455.52

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Solution

The fourth proportional to 112,015.08, 168,092.88 and 45,455.52 is: 68,211.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,015.08 : 168,092.88 = 45,455.52 : x
  2. Step 2: Convert to fraction form
    112,015.08/168,092.88 = 45,455.52/x
  3. Step 3: Cross multiply
    112,015.08x = 168,092.88 × 45,455.52
  4. Step 4: Simplify right side
    112,015.08x = 7,640,749,268.70
  5. Step 5: Solve for x
    x = 7,640,749,268.70/112,015.08
  6. Step 6: Final answer
    x = 68,211.79

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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.