Home / 81,160.43-111,999.44-44,365.01

Finding the Fourth Proportional to 81,160.43, 111,999.44 and 44,365.01

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Solution

The fourth proportional to 81,160.43, 111,999.44 and 44,365.01 is: 61,222.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,160.43 : 111,999.44 = 44,365.01 : x
  2. Step 2: Convert to fraction form
    81,160.43/111,999.44 = 44,365.01/x
  3. Step 3: Cross multiply
    81,160.43x = 111,999.44 × 44,365.01
  4. Step 4: Simplify right side
    81,160.43x = 4,968,856,551.62
  5. Step 5: Solve for x
    x = 4,968,856,551.62/81,160.43
  6. Step 6: Final answer
    x = 61,222.65

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1.5x scale

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.