Home / 54,112.81-74,664.99-30,234.87

Finding the Fourth Proportional to 54,112.81, 74,664.99 and 30,234.87

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Solution

The fourth proportional to 54,112.81, 74,664.99 and 30,234.87 is: 41,718.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,112.81 : 74,664.99 = 30,234.87 : x
  2. Step 2: Convert to fraction form
    54,112.81/74,664.99 = 30,234.87/x
  3. Step 3: Cross multiply
    54,112.81x = 74,664.99 × 30,234.87
  4. Step 4: Simplify right side
    54,112.81x = 2,257,486,266.20
  5. Step 5: Solve for x
    x = 2,257,486,266.20/54,112.81
  6. Step 6: Final answer
    x = 41,718.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.