Home / 105,899.68-158,873.82-43,570.18

Finding the Fourth Proportional to 105,899.68, 158,873.82 and 43,570.18

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Solution

The fourth proportional to 105,899.68, 158,873.82 and 43,570.18 is: 65,365.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,899.68 : 158,873.82 = 43,570.18 : x
  2. Step 2: Convert to fraction form
    105,899.68/158,873.82 = 43,570.18/x
  3. Step 3: Cross multiply
    105,899.68x = 158,873.82 × 43,570.18
  4. Step 4: Simplify right side
    105,899.68x = 6,922,160,934.69
  5. Step 5: Solve for x
    x = 6,922,160,934.69/105,899.68
  6. Step 6: Final answer
    x = 65,365.27

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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.