Home / 61,890.96-85,381.80-41,741.28

Finding the Fourth Proportional to 61,890.96, 85,381.80 and 41,741.28

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Solution

The fourth proportional to 61,890.96, 85,381.80 and 41,741.28 is: 57,584.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,890.96 : 85,381.80 = 41,741.28 : x
  2. Step 2: Convert to fraction form
    61,890.96/85,381.80 = 41,741.28/x
  3. Step 3: Cross multiply
    61,890.96x = 85,381.80 × 41,741.28
  4. Step 4: Simplify right side
    61,890.96x = 3,563,945,620.70
  5. Step 5: Solve for x
    x = 3,563,945,620.70/61,890.96
  6. Step 6: Final answer
    x = 57,584.27

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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.