Home / 107,890.92-161,887.74-48,744.68

Finding the Fourth Proportional to 107,890.92, 161,887.74 and 48,744.68

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Solution

The fourth proportional to 107,890.92, 161,887.74 and 48,744.68 is: 73,140.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,890.92 : 161,887.74 = 48,744.68 : x
  2. Step 2: Convert to fraction form
    107,890.92/161,887.74 = 48,744.68/x
  3. Step 3: Cross multiply
    107,890.92x = 161,887.74 × 48,744.68
  4. Step 4: Simplify right side
    107,890.92x = 7,891,166,082.22
  5. Step 5: Solve for x
    x = 7,891,166,082.22/107,890.92
  6. Step 6: Final answer
    x = 73,140.22

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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.