Home / 117,238.21-161,789.47-63,523.62

Finding the Fourth Proportional to 117,238.21, 161,789.47 and 63,523.62

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Solution

The fourth proportional to 117,238.21, 161,789.47 and 63,523.62 is: 87,663.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,238.21 : 161,789.47 = 63,523.62 : x
  2. Step 2: Convert to fraction form
    117,238.21/161,789.47 = 63,523.62/x
  3. Step 3: Cross multiply
    117,238.21x = 161,789.47 × 63,523.62
  4. Step 4: Simplify right side
    117,238.21x = 10,277,452,653.47
  5. Step 5: Solve for x
    x = 10,277,452,653.47/117,238.21
  6. Step 6: Final answer
    x = 87,663.00

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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.