Home / 50,620.10-75,930.15-13,180.07

Finding the Fourth Proportional to 50,620.10, 75,930.15 and 13,180.07

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Solution

The fourth proportional to 50,620.10, 75,930.15 and 13,180.07 is: 19,770.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,620.10 : 75,930.15 = 13,180.07 : x
  2. Step 2: Convert to fraction form
    50,620.10/75,930.15 = 13,180.07/x
  3. Step 3: Cross multiply
    50,620.10x = 75,930.15 × 13,180.07
  4. Step 4: Simplify right side
    50,620.10x = 1,000,764,374.24
  5. Step 5: Solve for x
    x = 1,000,764,374.24/50,620.10
  6. Step 6: Final answer
    x = 19,770.10

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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.