Home / 49,562.12-68,399.81-28,345.47

Finding the Fourth Proportional to 49,562.12, 68,399.81 and 28,345.47

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Solution

The fourth proportional to 49,562.12, 68,399.81 and 28,345.47 is: 39,119.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,562.12 : 68,399.81 = 28,345.47 : x
  2. Step 2: Convert to fraction form
    49,562.12/68,399.81 = 28,345.47/x
  3. Step 3: Cross multiply
    49,562.12x = 68,399.81 × 28,345.47
  4. Step 4: Simplify right side
    49,562.12x = 1,938,824,620.63
  5. Step 5: Solve for x
    x = 1,938,824,620.63/49,562.12
  6. Step 6: Final answer
    x = 39,119.09

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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.