Home / 74,644.24-111,933.24-39,575.68

Finding the Fourth Proportional to 74,644.24, 111,933.24 and 39,575.68

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Solution

The fourth proportional to 74,644.24, 111,933.24 and 39,575.68 is: 59,345.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,644.24 : 111,933.24 = 39,575.68 : x
  2. Step 2: Convert to fraction form
    74,644.24/111,933.24 = 39,575.68/x
  3. Step 3: Cross multiply
    74,644.24x = 111,933.24 × 39,575.68
  4. Step 4: Simplify right side
    74,644.24x = 4,429,834,087.60
  5. Step 5: Solve for x
    x = 4,429,834,087.60/74,644.24
  6. Step 6: Final answer
    x = 59,345.96

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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.