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Finding the Fourth Proportional to 80,268.48, 110,765.76 and 44,456.48

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Solution

The fourth proportional to 80,268.48, 110,765.76 and 44,456.48 is: 61,347.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,268.48 : 110,765.76 = 44,456.48 : x
  2. Step 2: Convert to fraction form
    80,268.48/110,765.76 = 44,456.48/x
  3. Step 3: Cross multiply
    80,268.48x = 110,765.76 × 44,456.48
  4. Step 4: Simplify right side
    80,268.48x = 4,924,255,794.12
  5. Step 5: Solve for x
    x = 4,924,255,794.12/80,268.48
  6. Step 6: Final answer
    x = 61,347.32

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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.