Home / 45,771.22-68,649.99-15,790.18

Finding the Fourth Proportional to 45,771.22, 68,649.99 and 15,790.18

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Solution

The fourth proportional to 45,771.22, 68,649.99 and 15,790.18 is: 23,682.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,771.22 : 68,649.99 = 15,790.18 : x
  2. Step 2: Convert to fraction form
    45,771.22/68,649.99 = 15,790.18/x
  3. Step 3: Cross multiply
    45,771.22x = 68,649.99 × 15,790.18
  4. Step 4: Simplify right side
    45,771.22x = 1,083,995,699.10
  5. Step 5: Solve for x
    x = 1,083,995,699.10/45,771.22
  6. Step 6: Final answer
    x = 23,682.91

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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.