Home / 75,992.76-113,817.81-36,579.36

Finding the Fourth Proportional to 75,992.76, 113,817.81 and 36,579.36

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Solution

The fourth proportional to 75,992.76, 113,817.81 and 36,579.36 is: 54,786.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,992.76 : 113,817.81 = 36,579.36 : x
  2. Step 2: Convert to fraction form
    75,992.76/113,817.81 = 36,579.36/x
  3. Step 3: Cross multiply
    75,992.76x = 113,817.81 × 36,579.36
  4. Step 4: Simplify right side
    75,992.76x = 4,163,382,646.40
  5. Step 5: Solve for x
    x = 4,163,382,646.40/75,992.76
  6. Step 6: Final answer
    x = 54,786.57

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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.