Home / 83,836.16-115,692-46,109.60

Finding the Fourth Proportional to 83,836.16, 115,692 and 46,109.60

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Solution

The fourth proportional to 83,836.16, 115,692 and 46,109.60 is: 63,630.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,836.16 : 115,692 = 46,109.60 : x
  2. Step 2: Convert to fraction form
    83,836.16/115,692 = 46,109.60/x
  3. Step 3: Cross multiply
    83,836.16x = 115,692 × 46,109.60
  4. Step 4: Simplify right side
    83,836.16x = 5,334,511,843.20
  5. Step 5: Solve for x
    x = 5,334,511,843.20/83,836.16
  6. Step 6: Final answer
    x = 63,630.20

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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.