Home / 54,131.08-74,652.42-33,989.86

Finding the Fourth Proportional to 54,131.08, 74,652.42 and 33,989.86

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Solution

The fourth proportional to 54,131.08, 74,652.42 and 33,989.86 is: 46,875.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,131.08 : 74,652.42 = 33,989.86 : x
  2. Step 2: Convert to fraction form
    54,131.08/74,652.42 = 33,989.86/x
  3. Step 3: Cross multiply
    54,131.08x = 74,652.42 × 33,989.86
  4. Step 4: Simplify right side
    54,131.08x = 2,537,425,304.46
  5. Step 5: Solve for x
    x = 2,537,425,304.46/54,131.08
  6. Step 6: Final answer
    x = 46,875.57

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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.