Home / 100,025.31-150,116.83-43,904.15

Finding the Fourth Proportional to 100,025.31, 150,116.83 and 43,904.15

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Solution

The fourth proportional to 100,025.31, 150,116.83 and 43,904.15 is: 65,890.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,025.31 : 150,116.83 = 43,904.15 : x
  2. Step 2: Convert to fraction form
    100,025.31/150,116.83 = 43,904.15/x
  3. Step 3: Cross multiply
    100,025.31x = 150,116.83 × 43,904.15
  4. Step 4: Simplify right side
    100,025.31x = 6,590,751,821.84
  5. Step 5: Solve for x
    x = 6,590,751,821.84/100,025.31
  6. Step 6: Final answer
    x = 65,890.84

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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.