Home / 45,543.14-68,321.10-15,954.20

Finding the Fourth Proportional to 45,543.14, 68,321.10 and 15,954.20

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Solution

The fourth proportional to 45,543.14, 68,321.10 and 15,954.20 is: 23,933.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,543.14 : 68,321.10 = 15,954.20 : x
  2. Step 2: Convert to fraction form
    45,543.14/68,321.10 = 15,954.20/x
  3. Step 3: Cross multiply
    45,543.14x = 68,321.10 × 15,954.20
  4. Step 4: Simplify right side
    45,543.14x = 1,090,008,493.62
  5. Step 5: Solve for x
    x = 1,090,008,493.62/45,543.14
  6. Step 6: Final answer
    x = 23,933.54

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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.