Home / 54,905.12-75,685.20-33,644.96

Finding the Fourth Proportional to 54,905.12, 75,685.20 and 33,644.96

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Solution

The fourth proportional to 54,905.12, 75,685.20 and 33,644.96 is: 46,378.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,905.12 : 75,685.20 = 33,644.96 : x
  2. Step 2: Convert to fraction form
    54,905.12/75,685.20 = 33,644.96/x
  3. Step 3: Cross multiply
    54,905.12x = 75,685.20 × 33,644.96
  4. Step 4: Simplify right side
    54,905.12x = 2,546,425,526.59
  5. Step 5: Solve for x
    x = 2,546,425,526.59/54,905.12
  6. Step 6: Final answer
    x = 46,378.65

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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.