Home / 79,647.04-109,912.07-43,836.29

Finding the Fourth Proportional to 79,647.04, 109,912.07 and 43,836.29

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Solution

The fourth proportional to 79,647.04, 109,912.07 and 43,836.29 is: 60,493.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,647.04 : 109,912.07 = 43,836.29 : x
  2. Step 2: Convert to fraction form
    79,647.04/109,912.07 = 43,836.29/x
  3. Step 3: Cross multiply
    79,647.04x = 109,912.07 × 43,836.29
  4. Step 4: Simplify right side
    79,647.04x = 4,818,136,825.46
  5. Step 5: Solve for x
    x = 4,818,136,825.46/79,647.04
  6. Step 6: Final answer
    x = 60,493.61

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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.