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Finding the Fourth Proportional to 80,289.70, 110,806.59 and 44,490.94

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Solution

The fourth proportional to 80,289.70, 110,806.59 and 44,490.94 is: 61,401.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,289.70 : 110,806.59 = 44,490.94 : x
  2. Step 2: Convert to fraction form
    80,289.70/110,806.59 = 44,490.94/x
  3. Step 3: Cross multiply
    80,289.70x = 110,806.59 × 44,490.94
  4. Step 4: Simplify right side
    80,289.70x = 4,929,889,347.29
  5. Step 5: Solve for x
    x = 4,929,889,347.29/80,289.70
  6. Step 6: Final answer
    x = 61,401.27

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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.