Home / 61,241.47-91,781.56-57,246.09

Finding the Fourth Proportional to 61,241.47, 91,781.56 and 57,246.09

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Solution

The fourth proportional to 61,241.47, 91,781.56 and 57,246.09 is: 85,793.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,241.47 : 91,781.56 = 57,246.09 : x
  2. Step 2: Convert to fraction form
    61,241.47/91,781.56 = 57,246.09/x
  3. Step 3: Cross multiply
    61,241.47x = 91,781.56 × 57,246.09
  4. Step 4: Simplify right side
    61,241.47x = 5,254,135,365.74
  5. Step 5: Solve for x
    x = 5,254,135,365.74/61,241.47
  6. Step 6: Final answer
    x = 85,793.75

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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.