Home / 117,174.56-161,700.09-63,458.36

Finding the Fourth Proportional to 117,174.56, 161,700.09 and 63,458.36

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Solution

The fourth proportional to 117,174.56, 161,700.09 and 63,458.36 is: 87,572.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,174.56 : 161,700.09 = 63,458.36 : x
  2. Step 2: Convert to fraction form
    117,174.56/161,700.09 = 63,458.36/x
  3. Step 3: Cross multiply
    117,174.56x = 161,700.09 × 63,458.36
  4. Step 4: Simplify right side
    117,174.56x = 10,261,222,523.25
  5. Step 5: Solve for x
    x = 10,261,222,523.25/117,174.56
  6. Step 6: Final answer
    x = 87,572.10

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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.