Home / 80,284.43-120,397.57-26,960.46

Finding the Fourth Proportional to 80,284.43, 120,397.57 and 26,960.46

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Solution

The fourth proportional to 80,284.43, 120,397.57 and 26,960.46 is: 40,430.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,284.43 : 120,397.57 = 26,960.46 : x
  2. Step 2: Convert to fraction form
    80,284.43/120,397.57 = 26,960.46/x
  3. Step 3: Cross multiply
    80,284.43x = 120,397.57 × 26,960.46
  4. Step 4: Simplify right side
    80,284.43x = 3,245,973,351.19
  5. Step 5: Solve for x
    x = 3,245,973,351.19/80,284.43
  6. Step 6: Final answer
    x = 40,430.92

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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.