Home / 117,451.26-162,090.72-66,464.01

Finding the Fourth Proportional to 117,451.26, 162,090.72 and 66,464.01

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Solution

The fourth proportional to 117,451.26, 162,090.72 and 66,464.01 is: 91,724.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,451.26 : 162,090.72 = 66,464.01 : x
  2. Step 2: Convert to fraction form
    117,451.26/162,090.72 = 66,464.01/x
  3. Step 3: Cross multiply
    117,451.26x = 162,090.72 × 66,464.01
  4. Step 4: Simplify right side
    117,451.26x = 10,773,199,234.99
  5. Step 5: Solve for x
    x = 10,773,199,234.99/117,451.26
  6. Step 6: Final answer
    x = 91,724.85

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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.