Home / 85,538.24-118,051.68-49,725.44

Finding the Fourth Proportional to 85,538.24, 118,051.68 and 49,725.44

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Solution

The fourth proportional to 85,538.24, 118,051.68 and 49,725.44 is: 68,626.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,538.24 : 118,051.68 = 49,725.44 : x
  2. Step 2: Convert to fraction form
    85,538.24/118,051.68 = 49,725.44/x
  3. Step 3: Cross multiply
    85,538.24x = 118,051.68 × 49,725.44
  4. Step 4: Simplify right side
    85,538.24x = 5,870,171,730.74
  5. Step 5: Solve for x
    x = 5,870,171,730.74/85,538.24
  6. Step 6: Final answer
    x = 68,626.29

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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.