Home / 117,047.50-161,524.39-63,331.33

Finding the Fourth Proportional to 117,047.50, 161,524.39 and 63,331.33

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Solution

The fourth proportional to 117,047.50, 161,524.39 and 63,331.33 is: 87,396.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,047.50 : 161,524.39 = 63,331.33 : x
  2. Step 2: Convert to fraction form
    117,047.50/161,524.39 = 63,331.33/x
  3. Step 3: Cross multiply
    117,047.50x = 161,524.39 × 63,331.33
  4. Step 4: Simplify right side
    117,047.50x = 10,229,554,849.95
  5. Step 5: Solve for x
    x = 10,229,554,849.95/117,047.50
  6. Step 6: Final answer
    x = 87,396.61

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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.