Home / 56,738.74-85,055.18-19,273.18

Finding the Fourth Proportional to 56,738.74, 85,055.18 and 19,273.18

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Solution

The fourth proportional to 56,738.74, 85,055.18 and 19,273.18 is: 28,891.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,738.74 : 85,055.18 = 19,273.18 : x
  2. Step 2: Convert to fraction form
    56,738.74/85,055.18 = 19,273.18/x
  3. Step 3: Cross multiply
    56,738.74x = 85,055.18 × 19,273.18
  4. Step 4: Simplify right side
    56,738.74x = 1,639,283,794.07
  5. Step 5: Solve for x
    x = 1,639,283,794.07/56,738.74
  6. Step 6: Final answer
    x = 28,891.79

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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.