Home / 75,747.21-104,518.92-45,525.30

Finding the Fourth Proportional to 75,747.21, 104,518.92 and 45,525.30

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Solution

The fourth proportional to 75,747.21, 104,518.92 and 45,525.30 is: 62,817.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,747.21 : 104,518.92 = 45,525.30 : x
  2. Step 2: Convert to fraction form
    75,747.21/104,518.92 = 45,525.30/x
  3. Step 3: Cross multiply
    75,747.21x = 104,518.92 × 45,525.30
  4. Step 4: Simplify right side
    75,747.21x = 4,758,255,188.68
  5. Step 5: Solve for x
    x = 4,758,255,188.68/75,747.21
  6. Step 6: Final answer
    x = 62,817.56

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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.