Home / 88,991.58-122,796.26-53,174.02

Finding the Fourth Proportional to 88,991.58, 122,796.26 and 53,174.02

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Solution

The fourth proportional to 88,991.58, 122,796.26 and 53,174.02 is: 73,372.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,991.58 : 122,796.26 = 53,174.02 : x
  2. Step 2: Convert to fraction form
    88,991.58/122,796.26 = 53,174.02/x
  3. Step 3: Cross multiply
    88,991.58x = 122,796.26 × 53,174.02
  4. Step 4: Simplify right side
    88,991.58x = 6,529,570,785.17
  5. Step 5: Solve for x
    x = 6,529,570,785.17/88,991.58
  6. Step 6: Final answer
    x = 73,372.91

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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.