Home / 107,429.06-161,163.10-47,457.44

Finding the Fourth Proportional to 107,429.06, 161,163.10 and 47,457.44

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Solution

The fourth proportional to 107,429.06, 161,163.10 and 47,457.44 is: 71,194.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,429.06 : 161,163.10 = 47,457.44 : x
  2. Step 2: Convert to fraction form
    107,429.06/161,163.10 = 47,457.44/x
  3. Step 3: Cross multiply
    107,429.06x = 161,163.10 × 47,457.44
  4. Step 4: Simplify right side
    107,429.06x = 7,648,388,148.46
  5. Step 5: Solve for x
    x = 7,648,388,148.46/107,429.06
  6. Step 6: Final answer
    x = 71,194.78

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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.