Home / 49,530.72-74,295.82-12,090.99

Finding the Fourth Proportional to 49,530.72, 74,295.82 and 12,090.99

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Solution

The fourth proportional to 49,530.72, 74,295.82 and 12,090.99 is: 18,136.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,530.72 : 74,295.82 = 12,090.99 : x
  2. Step 2: Convert to fraction form
    49,530.72/74,295.82 = 12,090.99/x
  3. Step 3: Cross multiply
    49,530.72x = 74,295.82 × 12,090.99
  4. Step 4: Simplify right side
    49,530.72x = 898,309,892.47
  5. Step 5: Solve for x
    x = 898,309,892.47/49,530.72
  6. Step 6: Final answer
    x = 18,136.42

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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.