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Finding the Fourth Proportional to 80,305.56, 110,824.47 and 48,468.24

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Solution

The fourth proportional to 80,305.56, 110,824.47 and 48,468.24 is: 66,887.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,305.56 : 110,824.47 = 48,468.24 : x
  2. Step 2: Convert to fraction form
    80,305.56/110,824.47 = 48,468.24/x
  3. Step 3: Cross multiply
    80,305.56x = 110,824.47 × 48,468.24
  4. Step 4: Simplify right side
    80,305.56x = 5,371,467,009.83
  5. Step 5: Solve for x
    x = 5,371,467,009.83/80,305.56
  6. Step 6: Final answer
    x = 66,887.86

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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.