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Finding the Fourth Proportional to 80,358.64, 110,892.48 and 44,546.50

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Solution

The fourth proportional to 80,358.64, 110,892.48 and 44,546.50 is: 61,472.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,358.64 : 110,892.48 = 44,546.50 : x
  2. Step 2: Convert to fraction form
    80,358.64/110,892.48 = 44,546.50/x
  3. Step 3: Cross multiply
    80,358.64x = 110,892.48 × 44,546.50
  4. Step 4: Simplify right side
    80,358.64x = 4,939,871,860.32
  5. Step 5: Solve for x
    x = 4,939,871,860.32/80,358.64
  6. Step 6: Final answer
    x = 61,472.82

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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.