Home / 75,537.60-104,234.40-57,644.16

Finding the Fourth Proportional to 75,537.60, 104,234.40 and 57,644.16

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Solution

The fourth proportional to 75,537.60, 104,234.40 and 57,644.16 is: 79,543.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,537.60 : 104,234.40 = 57,644.16 : x
  2. Step 2: Convert to fraction form
    75,537.60/104,234.40 = 57,644.16/x
  3. Step 3: Cross multiply
    75,537.60x = 104,234.40 × 57,644.16
  4. Step 4: Simplify right side
    75,537.60x = 6,008,504,431.10
  5. Step 5: Solve for x
    x = 6,008,504,431.10/75,537.60
  6. Step 6: Final answer
    x = 79,543.23

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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.