Home / 45,097.46-67,644.17-15,515.45

Finding the Fourth Proportional to 45,097.46, 67,644.17 and 15,515.45

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Solution

The fourth proportional to 45,097.46, 67,644.17 and 15,515.45 is: 23,272.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,097.46 : 67,644.17 = 15,515.45 : x
  2. Step 2: Convert to fraction form
    45,097.46/67,644.17 = 15,515.45/x
  3. Step 3: Cross multiply
    45,097.46x = 67,644.17 × 15,515.45
  4. Step 4: Simplify right side
    45,097.46x = 1,049,529,659.85
  5. Step 5: Solve for x
    x = 1,049,529,659.85/45,097.46
  6. Step 6: Final answer
    x = 23,272.48

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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.