Home / 85,454.08-117,925.96-49,665.04

Finding the Fourth Proportional to 85,454.08, 117,925.96 and 49,665.04

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Solution

The fourth proportional to 85,454.08, 117,925.96 and 49,665.04 is: 68,537.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,454.08 : 117,925.96 = 49,665.04 : x
  2. Step 2: Convert to fraction form
    85,454.08/117,925.96 = 49,665.04/x
  3. Step 3: Cross multiply
    85,454.08x = 117,925.96 × 49,665.04
  4. Step 4: Simplify right side
    85,454.08x = 5,856,797,520.44
  5. Step 5: Solve for x
    x = 5,856,797,520.44/85,454.08
  6. Step 6: Final answer
    x = 68,537.37

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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.