Home / 86,022-118,710.36-48,296.25

Finding the Fourth Proportional to 86,022, 118,710.36 and 48,296.25

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Solution

The fourth proportional to 86,022, 118,710.36 and 48,296.25 is: 66,648.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,022 : 118,710.36 = 48,296.25 : x
  2. Step 2: Convert to fraction form
    86,022/118,710.36 = 48,296.25/x
  3. Step 3: Cross multiply
    86,022x = 118,710.36 × 48,296.25
  4. Step 4: Simplify right side
    86,022x = 5,733,265,224.15
  5. Step 5: Solve for x
    x = 5,733,265,224.15/86,022
  6. Step 6: Final answer
    x = 66,648.83

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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.