Home / 52,679.82-72,698.16-28,806.44

Finding the Fourth Proportional to 52,679.82, 72,698.16 and 28,806.44

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Solution

The fourth proportional to 52,679.82, 72,698.16 and 28,806.44 is: 39,752.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,679.82 : 72,698.16 = 28,806.44 : x
  2. Step 2: Convert to fraction form
    52,679.82/72,698.16 = 28,806.44/x
  3. Step 3: Cross multiply
    52,679.82x = 72,698.16 × 28,806.44
  4. Step 4: Simplify right side
    52,679.82x = 2,094,174,766.65
  5. Step 5: Solve for x
    x = 2,094,174,766.65/52,679.82
  6. Step 6: Final answer
    x = 39,752.89

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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.