Home / 49,770.23-68,681.72-28,548.09

Finding the Fourth Proportional to 49,770.23, 68,681.72 and 28,548.09

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Solution

The fourth proportional to 49,770.23, 68,681.72 and 28,548.09 is: 39,395.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,770.23 : 68,681.72 = 28,548.09 : x
  2. Step 2: Convert to fraction form
    49,770.23/68,681.72 = 28,548.09/x
  3. Step 3: Cross multiply
    49,770.23x = 68,681.72 × 28,548.09
  4. Step 4: Simplify right side
    49,770.23x = 1,960,731,995.29
  5. Step 5: Solve for x
    x = 1,960,731,995.29/49,770.23
  6. Step 6: Final answer
    x = 39,395.68

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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.