Home / 54,135.19-74,706.86-30,262.87

Finding the Fourth Proportional to 54,135.19, 74,706.86 and 30,262.87

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Solution

The fourth proportional to 54,135.19, 74,706.86 and 30,262.87 is: 41,762.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,135.19 : 74,706.86 = 30,262.87 : x
  2. Step 2: Convert to fraction form
    54,135.19/74,706.86 = 30,262.87/x
  3. Step 3: Cross multiply
    54,135.19x = 74,706.86 × 30,262.87
  4. Step 4: Simplify right side
    54,135.19x = 2,260,843,467.44
  5. Step 5: Solve for x
    x = 2,260,843,467.44/54,135.19
  6. Step 6: Final answer
    x = 41,762.92

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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.