Home / 57,420.69-79,222.26-34,752.43

Finding the Fourth Proportional to 57,420.69, 79,222.26 and 34,752.43

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Solution

The fourth proportional to 57,420.69, 79,222.26 and 34,752.43 is: 47,947.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,420.69 : 79,222.26 = 34,752.43 : x
  2. Step 2: Convert to fraction form
    57,420.69/79,222.26 = 34,752.43/x
  3. Step 3: Cross multiply
    57,420.69x = 79,222.26 × 34,752.43
  4. Step 4: Simplify right side
    57,420.69x = 2,753,166,045.09
  5. Step 5: Solve for x
    x = 2,753,166,045.09/57,420.69
  6. Step 6: Final answer
    x = 47,947.28

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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.