Home / 40,053.05-60,081.76-11,975.29

Finding the Fourth Proportional to 40,053.05, 60,081.76 and 11,975.29

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Solution

The fourth proportional to 40,053.05, 60,081.76 and 11,975.29 is: 17,963.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,053.05 : 60,081.76 = 11,975.29 : x
  2. Step 2: Convert to fraction form
    40,053.05/60,081.76 = 11,975.29/x
  3. Step 3: Cross multiply
    40,053.05x = 60,081.76 × 11,975.29
  4. Step 4: Simplify right side
    40,053.05x = 719,496,589.78
  5. Step 5: Solve for x
    x = 719,496,589.78/40,053.05
  6. Step 6: Final answer
    x = 17,963.59

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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.