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Finding the Fourth Proportional to 80,256.90, 110,758.12 and 43,960.91

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Solution

The fourth proportional to 80,256.90, 110,758.12 and 43,960.91 is: 60,668.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,256.90 : 110,758.12 = 43,960.91 : x
  2. Step 2: Convert to fraction form
    80,256.90/110,758.12 = 43,960.91/x
  3. Step 3: Cross multiply
    80,256.90x = 110,758.12 × 43,960.91
  4. Step 4: Simplify right side
    80,256.90x = 4,869,027,081.40
  5. Step 5: Solve for x
    x = 4,869,027,081.40/80,256.90
  6. Step 6: Final answer
    x = 60,668.02

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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.