Home / 86,072.38-118,791.02-48,346.62

Finding the Fourth Proportional to 86,072.38, 118,791.02 and 48,346.62

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Solution

The fourth proportional to 86,072.38, 118,791.02 and 48,346.62 is: 66,724.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,072.38 : 118,791.02 = 48,346.62 : x
  2. Step 2: Convert to fraction form
    86,072.38/118,791.02 = 48,346.62/x
  3. Step 3: Cross multiply
    86,072.38x = 118,791.02 × 48,346.62
  4. Step 4: Simplify right side
    86,072.38x = 5,743,144,303.35
  5. Step 5: Solve for x
    x = 5,743,144,303.35/86,072.38
  6. Step 6: Final answer
    x = 66,724.59

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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.