Home / 45,136.92-62,223.66-31,666.44

Finding the Fourth Proportional to 45,136.92, 62,223.66 and 31,666.44

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Solution

The fourth proportional to 45,136.92, 62,223.66 and 31,666.44 is: 43,653.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,136.92 : 62,223.66 = 31,666.44 : x
  2. Step 2: Convert to fraction form
    45,136.92/62,223.66 = 31,666.44/x
  3. Step 3: Cross multiply
    45,136.92x = 62,223.66 × 31,666.44
  4. Step 4: Simplify right side
    45,136.92x = 1,970,401,795.97
  5. Step 5: Solve for x
    x = 1,970,401,795.97/45,136.92
  6. Step 6: Final answer
    x = 43,653.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.