Home / 45,838.89-68,777.94-19,191.11

Finding the Fourth Proportional to 45,838.89, 68,777.94 and 19,191.11

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Solution

The fourth proportional to 45,838.89, 68,777.94 and 19,191.11 is: 28,794.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,838.89 : 68,777.94 = 19,191.11 : x
  2. Step 2: Convert to fraction form
    45,838.89/68,777.94 = 19,191.11/x
  3. Step 3: Cross multiply
    45,838.89x = 68,777.94 × 19,191.11
  4. Step 4: Simplify right side
    45,838.89x = 1,319,924,668.22
  5. Step 5: Solve for x
    x = 1,319,924,668.22/45,838.89
  6. Step 6: Final answer
    x = 28,794.87

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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.