Home / 115,133.99-172,617.60-48,537.56

Finding the Fourth Proportional to 115,133.99, 172,617.60 and 48,537.56

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Solution

The fourth proportional to 115,133.99, 172,617.60 and 48,537.56 is: 72,771.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,133.99 : 172,617.60 = 48,537.56 : x
  2. Step 2: Convert to fraction form
    115,133.99/172,617.60 = 48,537.56/x
  3. Step 3: Cross multiply
    115,133.99x = 172,617.60 × 48,537.56
  4. Step 4: Simplify right side
    115,133.99x = 8,378,436,253.97
  5. Step 5: Solve for x
    x = 8,378,436,253.97/115,133.99
  6. Step 6: Final answer
    x = 72,771.18

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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.