Home / 105,399.06-158,098.86-43,069.56

Finding the Fourth Proportional to 105,399.06, 158,098.86 and 43,069.56

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Solution

The fourth proportional to 105,399.06, 158,098.86 and 43,069.56 is: 64,604.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,399.06 : 158,098.86 = 43,069.56 : x
  2. Step 2: Convert to fraction form
    105,399.06/158,098.86 = 43,069.56/x
  3. Step 3: Cross multiply
    105,399.06x = 158,098.86 × 43,069.56
  4. Step 4: Simplify right side
    105,399.06x = 6,809,248,336.70
  5. Step 5: Solve for x
    x = 6,809,248,336.70/105,399.06
  6. Step 6: Final answer
    x = 64,604.45

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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.