Home / 86,772.08-119,743.16-49,046.33

Finding the Fourth Proportional to 86,772.08, 119,743.16 and 49,046.33

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Solution

The fourth proportional to 86,772.08, 119,743.16 and 49,046.33 is: 67,682.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,772.08 : 119,743.16 = 49,046.33 : x
  2. Step 2: Convert to fraction form
    86,772.08/119,743.16 = 49,046.33/x
  3. Step 3: Cross multiply
    86,772.08x = 119,743.16 × 49,046.33
  4. Step 4: Simplify right side
    86,772.08x = 5,872,961,696.66
  5. Step 5: Solve for x
    x = 5,872,961,696.66/86,772.08
  6. Step 6: Final answer
    x = 67,682.62

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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.