Home / 45,321.72-67,975.56-23,151.48

Finding the Fourth Proportional to 45,321.72, 67,975.56 and 23,151.48

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Solution

The fourth proportional to 45,321.72, 67,975.56 and 23,151.48 is: 34,723.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,321.72 : 67,975.56 = 23,151.48 : x
  2. Step 2: Convert to fraction form
    45,321.72/67,975.56 = 23,151.48/x
  3. Step 3: Cross multiply
    45,321.72x = 67,975.56 × 23,151.48
  4. Step 4: Simplify right side
    45,321.72x = 1,573,734,817.83
  5. Step 5: Solve for x
    x = 1,573,734,817.83/45,321.72
  6. Step 6: Final answer
    x = 34,723.63

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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.