Home / 85,305.08-117,682.95-49,474.34

Finding the Fourth Proportional to 85,305.08, 117,682.95 and 49,474.34

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Solution

The fourth proportional to 85,305.08, 117,682.95 and 49,474.34 is: 68,252.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,305.08 : 117,682.95 = 49,474.34 : x
  2. Step 2: Convert to fraction form
    85,305.08/117,682.95 = 49,474.34/x
  3. Step 3: Cross multiply
    85,305.08x = 117,682.95 × 49,474.34
  4. Step 4: Simplify right side
    85,305.08x = 5,822,286,280.50
  5. Step 5: Solve for x
    x = 5,822,286,280.50/85,305.08
  6. Step 6: Final answer
    x = 68,252.52

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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.