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Finding the Fourth Proportional to 79,991.92, 110,403.02 and 45,997.77

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Solution

The fourth proportional to 79,991.92, 110,403.02 and 45,997.77 is: 63,485.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,991.92 : 110,403.02 = 45,997.77 : x
  2. Step 2: Convert to fraction form
    79,991.92/110,403.02 = 45,997.77/x
  3. Step 3: Cross multiply
    79,991.92x = 110,403.02 × 45,997.77
  4. Step 4: Simplify right side
    79,991.92x = 5,078,292,721.27
  5. Step 5: Solve for x
    x = 5,078,292,721.27/79,991.92
  6. Step 6: Final answer
    x = 63,485.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.