Home / 77,997.72-116,996.49-25,407.12

Finding the Fourth Proportional to 77,997.72, 116,996.49 and 25,407.12

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Solution

The fourth proportional to 77,997.72, 116,996.49 and 25,407.12 is: 38,110.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,997.72 : 116,996.49 = 25,407.12 : x
  2. Step 2: Convert to fraction form
    77,997.72/116,996.49 = 25,407.12/x
  3. Step 3: Cross multiply
    77,997.72x = 116,996.49 × 25,407.12
  4. Step 4: Simplify right side
    77,997.72x = 2,972,543,861.01
  5. Step 5: Solve for x
    x = 2,972,543,861.01/77,997.72
  6. Step 6: Final answer
    x = 38,110.65

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1.5x scale

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.