Home / 54,136.19-74,708.24-30,263.87

Finding the Fourth Proportional to 54,136.19, 74,708.24 and 30,263.87

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Solution

The fourth proportional to 54,136.19, 74,708.24 and 30,263.87 is: 41,764.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,136.19 : 74,708.24 = 30,263.87 : x
  2. Step 2: Convert to fraction form
    54,136.19/74,708.24 = 30,263.87/x
  3. Step 3: Cross multiply
    54,136.19x = 74,708.24 × 30,263.87
  4. Step 4: Simplify right side
    54,136.19x = 2,260,959,938.43
  5. Step 5: Solve for x
    x = 2,260,959,938.43/54,136.19
  6. Step 6: Final answer
    x = 41,764.30

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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.