Home / 80,276.43-120,432.26-26,966.48

Finding the Fourth Proportional to 80,276.43, 120,432.26 and 26,966.48

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Solution

The fourth proportional to 80,276.43, 120,432.26 and 26,966.48 is: 40,455.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,276.43 : 120,432.26 = 26,966.48 : x
  2. Step 2: Convert to fraction form
    80,276.43/120,432.26 = 26,966.48/x
  3. Step 3: Cross multiply
    80,276.43x = 120,432.26 × 26,966.48
  4. Step 4: Simplify right side
    80,276.43x = 3,247,634,499.14
  5. Step 5: Solve for x
    x = 3,247,634,499.14/80,276.43
  6. Step 6: Final answer
    x = 40,455.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.