Home / 45,097.87-67,627.78-13,512.42

Finding the Fourth Proportional to 45,097.87, 67,627.78 and 13,512.42

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Solution

The fourth proportional to 45,097.87, 67,627.78 and 13,512.42 is: 20,262.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,097.87 : 67,627.78 = 13,512.42 : x
  2. Step 2: Convert to fraction form
    45,097.87/67,627.78 = 13,512.42/x
  3. Step 3: Cross multiply
    45,097.87x = 67,627.78 × 13,512.42
  4. Step 4: Simplify right side
    45,097.87x = 913,814,967.03
  5. Step 5: Solve for x
    x = 913,814,967.03/45,097.87
  6. Step 6: Final answer
    x = 20,262.93

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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.