Home / 45,186.50-67,778.72-15,601.55

Finding the Fourth Proportional to 45,186.50, 67,778.72 and 15,601.55

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Solution

The fourth proportional to 45,186.50, 67,778.72 and 15,601.55 is: 23,401.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,186.50 : 67,778.72 = 15,601.55 : x
  2. Step 2: Convert to fraction form
    45,186.50/67,778.72 = 15,601.55/x
  3. Step 3: Cross multiply
    45,186.50x = 67,778.72 × 15,601.55
  4. Step 4: Simplify right side
    45,186.50x = 1,057,452,672.11
  5. Step 5: Solve for x
    x = 1,057,452,672.11/45,186.50
  6. Step 6: Final answer
    x = 23,401.96

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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.