Home / 80,567.01-120,850.56-30,635.58

Finding the Fourth Proportional to 80,567.01, 120,850.56 and 30,635.58

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Solution

The fourth proportional to 80,567.01, 120,850.56 and 30,635.58 is: 45,953.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,567.01 : 120,850.56 = 30,635.58 : x
  2. Step 2: Convert to fraction form
    80,567.01/120,850.56 = 30,635.58/x
  3. Step 3: Cross multiply
    80,567.01x = 120,850.56 × 30,635.58
  4. Step 4: Simplify right side
    80,567.01x = 3,702,326,998.92
  5. Step 5: Solve for x
    x = 3,702,326,998.92/80,567.01
  6. Step 6: Final answer
    x = 45,953.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.