Home / 45,837.89-68,776.44-19,190.11

Finding the Fourth Proportional to 45,837.89, 68,776.44 and 19,190.11

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Solution

The fourth proportional to 45,837.89, 68,776.44 and 19,190.11 is: 28,793.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,837.89 : 68,776.44 = 19,190.11 : x
  2. Step 2: Convert to fraction form
    45,837.89/68,776.44 = 19,190.11/x
  3. Step 3: Cross multiply
    45,837.89x = 68,776.44 × 19,190.11
  4. Step 4: Simplify right side
    45,837.89x = 1,319,827,105.13
  5. Step 5: Solve for x
    x = 1,319,827,105.13/45,837.89
  6. Step 6: Final answer
    x = 28,793.37

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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.