Home / 57,705.96-86,381.58-49,193.30

Finding the Fourth Proportional to 57,705.96, 86,381.58 and 49,193.30

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Solution

The fourth proportional to 57,705.96, 86,381.58 and 49,193.30 is: 73,638.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,705.96 : 86,381.58 = 49,193.30 : x
  2. Step 2: Convert to fraction form
    57,705.96/86,381.58 = 49,193.30/x
  3. Step 3: Cross multiply
    57,705.96x = 86,381.58 × 49,193.30
  4. Step 4: Simplify right side
    57,705.96x = 4,249,394,791.00
  5. Step 5: Solve for x
    x = 4,249,394,791.00/57,705.96
  6. Step 6: Final answer
    x = 73,638.75

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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.