Home / 107,644.30-161,405.58-51,497.98

Finding the Fourth Proportional to 107,644.30, 161,405.58 and 51,497.98

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Solution

The fourth proportional to 107,644.30, 161,405.58 and 51,497.98 is: 77,217.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,644.30 : 161,405.58 = 51,497.98 : x
  2. Step 2: Convert to fraction form
    107,644.30/161,405.58 = 51,497.98/x
  3. Step 3: Cross multiply
    107,644.30x = 161,405.58 × 51,497.98
  4. Step 4: Simplify right side
    107,644.30x = 8,312,061,330.73
  5. Step 5: Solve for x
    x = 8,312,061,330.73/107,644.30
  6. Step 6: Final answer
    x = 77,217.85

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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.