Home / 85,252.85-117,655.35-49,442.54

Finding the Fourth Proportional to 85,252.85, 117,655.35 and 49,442.54

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Solution

The fourth proportional to 85,252.85, 117,655.35 and 49,442.54 is: 68,234.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,252.85 : 117,655.35 = 49,442.54 : x
  2. Step 2: Convert to fraction form
    85,252.85/117,655.35 = 49,442.54/x
  3. Step 3: Cross multiply
    85,252.85x = 117,655.35 × 49,442.54
  4. Step 4: Simplify right side
    85,252.85x = 5,817,179,348.59
  5. Step 5: Solve for x
    x = 5,817,179,348.59/85,252.85
  6. Step 6: Final answer
    x = 68,234.43

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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.