Home / 117,546.72-162,216.40-66,558.10

Finding the Fourth Proportional to 117,546.72, 162,216.40 and 66,558.10

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Solution

The fourth proportional to 117,546.72, 162,216.40 and 66,558.10 is: 91,851.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,546.72 : 162,216.40 = 66,558.10 : x
  2. Step 2: Convert to fraction form
    117,546.72/162,216.40 = 66,558.10/x
  3. Step 3: Cross multiply
    117,546.72x = 162,216.40 × 66,558.10
  4. Step 4: Simplify right side
    117,546.72x = 10,796,815,372.84
  5. Step 5: Solve for x
    x = 10,796,815,372.84/117,546.72
  6. Step 6: Final answer
    x = 91,851.27

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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.