Home / 79,786.26-119,685.06-32,378.58

Finding the Fourth Proportional to 79,786.26, 119,685.06 and 32,378.58

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Solution

The fourth proportional to 79,786.26, 119,685.06 and 32,378.58 is: 48,570.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,786.26 : 119,685.06 = 32,378.58 : x
  2. Step 2: Convert to fraction form
    79,786.26/119,685.06 = 32,378.58/x
  3. Step 3: Cross multiply
    79,786.26x = 119,685.06 × 32,378.58
  4. Step 4: Simplify right side
    79,786.26x = 3,875,232,290.01
  5. Step 5: Solve for x
    x = 3,875,232,290.01/79,786.26
  6. Step 6: Final answer
    x = 48,570.17

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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.