Home / 117,047.64-161,524.59-63,331.47

Finding the Fourth Proportional to 117,047.64, 161,524.59 and 63,331.47

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Solution

The fourth proportional to 117,047.64, 161,524.59 and 63,331.47 is: 87,396.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,047.64 : 161,524.59 = 63,331.47 : x
  2. Step 2: Convert to fraction form
    117,047.64/161,524.59 = 63,331.47/x
  3. Step 3: Cross multiply
    117,047.64x = 161,524.59 × 63,331.47
  4. Step 4: Simplify right side
    117,047.64x = 10,229,589,725.85
  5. Step 5: Solve for x
    x = 10,229,589,725.85/117,047.64
  6. Step 6: Final answer
    x = 87,396.80

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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.