Home / 45,179.68-67,777.45-15,191.05

Finding the Fourth Proportional to 45,179.68, 67,777.45 and 15,191.05

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Solution

The fourth proportional to 45,179.68, 67,777.45 and 15,191.05 is: 22,789.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,179.68 : 67,777.45 = 15,191.05 : x
  2. Step 2: Convert to fraction form
    45,179.68/67,777.45 = 15,191.05/x
  3. Step 3: Cross multiply
    45,179.68x = 67,777.45 × 15,191.05
  4. Step 4: Simplify right side
    45,179.68x = 1,029,610,631.82
  5. Step 5: Solve for x
    x = 1,029,610,631.82/45,179.68
  6. Step 6: Final answer
    x = 22,789.24

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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.