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Finding the Fourth Proportional to 80,489.90, 111,070.50 and 44,677.09

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Solution

The fourth proportional to 80,489.90, 111,070.50 and 44,677.09 is: 61,651.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,489.90 : 111,070.50 = 44,677.09 : x
  2. Step 2: Convert to fraction form
    80,489.90/111,070.50 = 44,677.09/x
  3. Step 3: Cross multiply
    80,489.90x = 111,070.50 × 44,677.09
  4. Step 4: Simplify right side
    80,489.90x = 4,962,306,854.09
  5. Step 5: Solve for x
    x = 4,962,306,854.09/80,489.90
  6. Step 6: Final answer
    x = 61,651.30

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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.