Home / 81,912.48-113,016.60-46,100.40

Finding the Fourth Proportional to 81,912.48, 113,016.60 and 46,100.40

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Solution

The fourth proportional to 81,912.48, 113,016.60 and 46,100.40 is: 63,605.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,912.48 : 113,016.60 = 46,100.40 : x
  2. Step 2: Convert to fraction form
    81,912.48/113,016.60 = 46,100.40/x
  3. Step 3: Cross multiply
    81,912.48x = 113,016.60 × 46,100.40
  4. Step 4: Simplify right side
    81,912.48x = 5,210,110,466.64
  5. Step 5: Solve for x
    x = 5,210,110,466.64/81,912.48
  6. Step 6: Final answer
    x = 63,605.82

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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.