Home / 81,994.16-122,914.36-44,499.28

Finding the Fourth Proportional to 81,994.16, 122,914.36 and 44,499.28

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Solution

The fourth proportional to 81,994.16, 122,914.36 and 44,499.28 is: 66,707.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,994.16 : 122,914.36 = 44,499.28 : x
  2. Step 2: Convert to fraction form
    81,994.16/122,914.36 = 44,499.28/x
  3. Step 3: Cross multiply
    81,994.16x = 122,914.36 × 44,499.28
  4. Step 4: Simplify right side
    81,994.16x = 5,469,600,521.66
  5. Step 5: Solve for x
    x = 5,469,600,521.66/81,994.16
  6. Step 6: Final answer
    x = 66,707.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.