Home / 80,997.24-121,495.34-27,663.48

Finding the Fourth Proportional to 80,997.24, 121,495.34 and 27,663.48

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Solution

The fourth proportional to 80,997.24, 121,495.34 and 27,663.48 is: 41,495.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,997.24 : 121,495.34 = 27,663.48 : x
  2. Step 2: Convert to fraction form
    80,997.24/121,495.34 = 27,663.48/x
  3. Step 3: Cross multiply
    80,997.24x = 121,495.34 × 27,663.48
  4. Step 4: Simplify right side
    80,997.24x = 3,360,983,908.18
  5. Step 5: Solve for x
    x = 3,360,983,908.18/80,997.24
  6. Step 6: Final answer
    x = 41,495.04

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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.