Home / 81,596.24-122,359.80-29,018.96

Finding the Fourth Proportional to 81,596.24, 122,359.80 and 29,018.96

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Solution

The fourth proportional to 81,596.24, 122,359.80 and 29,018.96 is: 43,516.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,596.24 : 122,359.80 = 29,018.96 : x
  2. Step 2: Convert to fraction form
    81,596.24/122,359.80 = 29,018.96/x
  3. Step 3: Cross multiply
    81,596.24x = 122,359.80 × 29,018.96
  4. Step 4: Simplify right side
    81,596.24x = 3,550,754,141.81
  5. Step 5: Solve for x
    x = 3,550,754,141.81/81,596.24
  6. Step 6: Final answer
    x = 43,516.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.