Home / 79,450.45-109,649.22-45,452.18

Finding the Fourth Proportional to 79,450.45, 109,649.22 and 45,452.18

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Solution

The fourth proportional to 79,450.45, 109,649.22 and 45,452.18 is: 62,728.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,450.45 : 109,649.22 = 45,452.18 : x
  2. Step 2: Convert to fraction form
    79,450.45/109,649.22 = 45,452.18/x
  3. Step 3: Cross multiply
    79,450.45x = 109,649.22 × 45,452.18
  4. Step 4: Simplify right side
    79,450.45x = 4,983,796,084.30
  5. Step 5: Solve for x
    x = 4,983,796,084.30/79,450.45
  6. Step 6: Final answer
    x = 62,728.36

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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.