Home / 117,311.63-161,891.19-63,596.52

Finding the Fourth Proportional to 117,311.63, 161,891.19 and 63,596.52

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Solution

The fourth proportional to 117,311.63, 161,891.19 and 63,596.52 is: 87,763.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,311.63 : 161,891.19 = 63,596.52 : x
  2. Step 2: Convert to fraction form
    117,311.63/161,891.19 = 63,596.52/x
  3. Step 3: Cross multiply
    117,311.63x = 161,891.19 × 63,596.52
  4. Step 4: Simplify right side
    117,311.63x = 10,295,716,302.66
  5. Step 5: Solve for x
    x = 10,295,716,302.66/117,311.63
  6. Step 6: Final answer
    x = 87,763.82

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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.