Home / 54,567.70-81,705.75-31,161.94

Finding the Fourth Proportional to 54,567.70, 81,705.75 and 31,161.94

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Solution

The fourth proportional to 54,567.70, 81,705.75 and 31,161.94 is: 46,659.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,567.70 : 81,705.75 = 31,161.94 : x
  2. Step 2: Convert to fraction form
    54,567.70/81,705.75 = 31,161.94/x
  3. Step 3: Cross multiply
    54,567.70x = 81,705.75 × 31,161.94
  4. Step 4: Simplify right side
    54,567.70x = 2,546,109,679.16
  5. Step 5: Solve for x
    x = 2,546,109,679.16/54,567.70
  6. Step 6: Final answer
    x = 46,659.65

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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.