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Finding the Fourth Proportional to 80,656.92, 111,309.12 and 44,848.44

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Solution

The fourth proportional to 80,656.92, 111,309.12 and 44,848.44 is: 61,892.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,656.92 : 111,309.12 = 44,848.44 : x
  2. Step 2: Convert to fraction form
    80,656.92/111,309.12 = 44,848.44/x
  3. Step 3: Cross multiply
    80,656.92x = 111,309.12 × 44,848.44
  4. Step 4: Simplify right side
    80,656.92x = 4,992,040,389.77
  5. Step 5: Solve for x
    x = 4,992,040,389.77/80,656.92
  6. Step 6: Final answer
    x = 61,892.28

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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.