Home / 76,855.72-115,280.70-24,268.36

Finding the Fourth Proportional to 76,855.72, 115,280.70 and 24,268.36

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Solution

The fourth proportional to 76,855.72, 115,280.70 and 24,268.36 is: 36,401.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,855.72 : 115,280.70 = 24,268.36 : x
  2. Step 2: Convert to fraction form
    76,855.72/115,280.70 = 24,268.36/x
  3. Step 3: Cross multiply
    76,855.72x = 115,280.70 × 24,268.36
  4. Step 4: Simplify right side
    76,855.72x = 2,797,673,528.65
  5. Step 5: Solve for x
    x = 2,797,673,528.65/76,855.72
  6. Step 6: Final answer
    x = 36,401.63

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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.