Home / 85,105.12-117,444.04-46,863.85

Finding the Fourth Proportional to 85,105.12, 117,444.04 and 46,863.85

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Solution

The fourth proportional to 85,105.12, 117,444.04 and 46,863.85 is: 64,671.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,105.12 : 117,444.04 = 46,863.85 : x
  2. Step 2: Convert to fraction form
    85,105.12/117,444.04 = 46,863.85/x
  3. Step 3: Cross multiply
    85,105.12x = 117,444.04 × 46,863.85
  4. Step 4: Simplify right side
    85,105.12x = 5,503,879,873.95
  5. Step 5: Solve for x
    x = 5,503,879,873.95/85,105.12
  6. Step 6: Final answer
    x = 64,671.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.