Home / 77,171.56-115,771.74-35,054.60

Finding the Fourth Proportional to 77,171.56, 115,771.74 and 35,054.60

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Solution

The fourth proportional to 77,171.56, 115,771.74 and 35,054.60 is: 52,588.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,171.56 : 115,771.74 = 35,054.60 : x
  2. Step 2: Convert to fraction form
    77,171.56/115,771.74 = 35,054.60/x
  3. Step 3: Cross multiply
    77,171.56x = 115,771.74 × 35,054.60
  4. Step 4: Simplify right side
    77,171.56x = 4,058,332,037.00
  5. Step 5: Solve for x
    x = 4,058,332,037.00/77,171.56
  6. Step 6: Final answer
    x = 52,588.44

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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.