Home / 49,005.84-67,617.65-28,855.37

Finding the Fourth Proportional to 49,005.84, 67,617.65 and 28,855.37

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Solution

The fourth proportional to 49,005.84, 67,617.65 and 28,855.37 is: 39,814.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,005.84 : 67,617.65 = 28,855.37 : x
  2. Step 2: Convert to fraction form
    49,005.84/67,617.65 = 28,855.37/x
  3. Step 3: Cross multiply
    49,005.84x = 67,617.65 × 28,855.37
  4. Step 4: Simplify right side
    49,005.84x = 1,951,132,550.46
  5. Step 5: Solve for x
    x = 1,951,132,550.46/49,005.84
  6. Step 6: Final answer
    x = 39,814.28

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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.