Home / 61,918.36-85,517.58-41,740.56

Finding the Fourth Proportional to 61,918.36, 85,517.58 and 41,740.56

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Solution

The fourth proportional to 61,918.36, 85,517.58 and 41,740.56 is: 57,649.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,918.36 : 85,517.58 = 41,740.56 : x
  2. Step 2: Convert to fraction form
    61,918.36/85,517.58 = 41,740.56/x
  3. Step 3: Cross multiply
    61,918.36x = 85,517.58 × 41,740.56
  4. Step 4: Simplify right side
    61,918.36x = 3,569,551,679.04
  5. Step 5: Solve for x
    x = 3,569,551,679.04/61,918.36
  6. Step 6: Final answer
    x = 57,649.33

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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.