Home / 45,160.62-67,742.56-15,579.42

Finding the Fourth Proportional to 45,160.62, 67,742.56 and 15,579.42

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Solution

The fourth proportional to 45,160.62, 67,742.56 and 15,579.42 is: 23,369.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,160.62 : 67,742.56 = 15,579.42 : x
  2. Step 2: Convert to fraction form
    45,160.62/67,742.56 = 15,579.42/x
  3. Step 3: Cross multiply
    45,160.62x = 67,742.56 × 15,579.42
  4. Step 4: Simplify right side
    45,160.62x = 1,055,389,794.12
  5. Step 5: Solve for x
    x = 1,055,389,794.12/45,160.62
  6. Step 6: Final answer
    x = 23,369.69

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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.