Home / 54,237.12-81,208.84-38,376.96

Finding the Fourth Proportional to 54,237.12, 81,208.84 and 38,376.96

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Solution

The fourth proportional to 54,237.12, 81,208.84 and 38,376.96 is: 57,461.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,237.12 : 81,208.84 = 38,376.96 : x
  2. Step 2: Convert to fraction form
    54,237.12/81,208.84 = 38,376.96/x
  3. Step 3: Cross multiply
    54,237.12x = 81,208.84 × 38,376.96
  4. Step 4: Simplify right side
    54,237.12x = 3,116,548,404.33
  5. Step 5: Solve for x
    x = 3,116,548,404.33/54,237.12
  6. Step 6: Final answer
    x = 57,461.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.