Home / 57,619.13-79,504.17-42,524.78

Finding the Fourth Proportional to 57,619.13, 79,504.17 and 42,524.78

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Solution

The fourth proportional to 57,619.13, 79,504.17 and 42,524.78 is: 58,676.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,619.13 : 79,504.17 = 42,524.78 : x
  2. Step 2: Convert to fraction form
    57,619.13/79,504.17 = 42,524.78/x
  3. Step 3: Cross multiply
    57,619.13x = 79,504.17 × 42,524.78
  4. Step 4: Simplify right side
    57,619.13x = 3,380,896,940.81
  5. Step 5: Solve for x
    x = 3,380,896,940.81/57,619.13
  6. Step 6: Final answer
    x = 58,676.64

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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.