Home / 84,942.81-117,221.84-46,180.71

Finding the Fourth Proportional to 84,942.81, 117,221.84 and 46,180.71

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Solution

The fourth proportional to 84,942.81, 117,221.84 and 46,180.71 is: 63,729.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,942.81 : 117,221.84 = 46,180.71 : x
  2. Step 2: Convert to fraction form
    84,942.81/117,221.84 = 46,180.71/x
  3. Step 3: Cross multiply
    84,942.81x = 117,221.84 × 46,180.71
  4. Step 4: Simplify right side
    84,942.81x = 5,413,387,567.80
  5. Step 5: Solve for x
    x = 5,413,387,567.80/84,942.81
  6. Step 6: Final answer
    x = 63,729.79

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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.