Home / 80,205.22-110,686.14-43,909.18

Finding the Fourth Proportional to 80,205.22, 110,686.14 and 43,909.18

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Solution

The fourth proportional to 80,205.22, 110,686.14 and 43,909.18 is: 60,596.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,205.22 : 110,686.14 = 43,909.18 : x
  2. Step 2: Convert to fraction form
    80,205.22/110,686.14 = 43,909.18/x
  3. Step 3: Cross multiply
    80,205.22x = 110,686.14 × 43,909.18
  4. Step 4: Simplify right side
    80,205.22x = 4,860,137,644.77
  5. Step 5: Solve for x
    x = 4,860,137,644.77/80,205.22
  6. Step 6: Final answer
    x = 60,596.28

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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.