Home / 107,624.20-161,436.30-65,633.80

Finding the Fourth Proportional to 107,624.20, 161,436.30 and 65,633.80

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Solution

The fourth proportional to 107,624.20, 161,436.30 and 65,633.80 is: 98,450.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,624.20 : 161,436.30 = 65,633.80 : x
  2. Step 2: Convert to fraction form
    107,624.20/161,436.30 = 65,633.80/x
  3. Step 3: Cross multiply
    107,624.20x = 161,436.30 × 65,633.80
  4. Step 4: Simplify right side
    107,624.20x = 10,595,677,826.94
  5. Step 5: Solve for x
    x = 10,595,677,826.94/107,624.20
  6. Step 6: Final answer
    x = 98,450.70

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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.