Home / 49,769.48-68,681.14-28,548.28

Finding the Fourth Proportional to 49,769.48, 68,681.14 and 28,548.28

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Solution

The fourth proportional to 49,769.48, 68,681.14 and 28,548.28 is: 39,396.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,769.48 : 68,681.14 = 28,548.28 : x
  2. Step 2: Convert to fraction form
    49,769.48/68,681.14 = 28,548.28/x
  3. Step 3: Cross multiply
    49,769.48x = 68,681.14 × 28,548.28
  4. Step 4: Simplify right side
    49,769.48x = 1,960,728,415.44
  5. Step 5: Solve for x
    x = 1,960,728,415.44/49,769.48
  6. Step 6: Final answer
    x = 39,396.20

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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.