Home / 72,757.17-109,153.58-25,365.69

Finding the Fourth Proportional to 72,757.17, 109,153.58 and 25,365.69

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Solution

The fourth proportional to 72,757.17, 109,153.58 and 25,365.69 is: 38,054.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,757.17 : 109,153.58 = 25,365.69 : x
  2. Step 2: Convert to fraction form
    72,757.17/109,153.58 = 25,365.69/x
  3. Step 3: Cross multiply
    72,757.17x = 109,153.58 × 25,365.69
  4. Step 4: Simplify right side
    72,757.17x = 2,768,755,745.84
  5. Step 5: Solve for x
    x = 2,768,755,745.84/72,757.17
  6. Step 6: Final answer
    x = 38,054.75

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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.