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Finding the Fourth Proportional to 80,130, 110,566.20 and 44,313

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Solution

The fourth proportional to 80,130, 110,566.20 and 44,313 is: 61,144.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,130 : 110,566.20 = 44,313 : x
  2. Step 2: Convert to fraction form
    80,130/110,566.20 = 44,313/x
  3. Step 3: Cross multiply
    80,130x = 110,566.20 × 44,313
  4. Step 4: Simplify right side
    80,130x = 4,899,520,020.60
  5. Step 5: Solve for x
    x = 4,899,520,020.60/80,130
  6. Step 6: Final answer
    x = 61,144.64

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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.