Home / 54,130.56-74,651.78-33,989.32

Finding the Fourth Proportional to 54,130.56, 74,651.78 and 33,989.32

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Solution

The fourth proportional to 54,130.56, 74,651.78 and 33,989.32 is: 46,874.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,130.56 : 74,651.78 = 33,989.32 : x
  2. Step 2: Convert to fraction form
    54,130.56/74,651.78 = 33,989.32/x
  3. Step 3: Cross multiply
    54,130.56x = 74,651.78 × 33,989.32
  4. Step 4: Simplify right side
    54,130.56x = 2,537,363,238.99
  5. Step 5: Solve for x
    x = 2,537,363,238.99/54,130.56
  6. Step 6: Final answer
    x = 46,874.88

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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.