Home / 83,466.18-115,179.54-45,739.62

Finding the Fourth Proportional to 83,466.18, 115,179.54 and 45,739.62

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Solution

The fourth proportional to 83,466.18, 115,179.54 and 45,739.62 is: 63,118.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,466.18 : 115,179.54 = 45,739.62 : x
  2. Step 2: Convert to fraction form
    83,466.18/115,179.54 = 45,739.62/x
  3. Step 3: Cross multiply
    83,466.18x = 115,179.54 × 45,739.62
  4. Step 4: Simplify right side
    83,466.18x = 5,268,268,391.37
  5. Step 5: Solve for x
    x = 5,268,268,391.37/83,466.18
  6. Step 6: Final answer
    x = 63,118.60

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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.