Home / 117,311.29-161,889.69-63,596.26

Finding the Fourth Proportional to 117,311.29, 161,889.69 and 63,596.26

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Solution

The fourth proportional to 117,311.29, 161,889.69 and 63,596.26 is: 87,762.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,311.29 : 161,889.69 = 63,596.26 : x
  2. Step 2: Convert to fraction form
    117,311.29/161,889.69 = 63,596.26/x
  3. Step 3: Cross multiply
    117,311.29x = 161,889.69 × 63,596.26
  4. Step 4: Simplify right side
    117,311.29x = 10,295,578,816.56
  5. Step 5: Solve for x
    x = 10,295,578,816.56/117,311.29
  6. Step 6: Final answer
    x = 87,762.90

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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.