Home / 57,669.45-79,542.05-36,142.08

Finding the Fourth Proportional to 57,669.45, 79,542.05 and 36,142.08

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Solution

The fourth proportional to 57,669.45, 79,542.05 and 36,142.08 is: 49,849.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,669.45 : 79,542.05 = 36,142.08 : x
  2. Step 2: Convert to fraction form
    57,669.45/79,542.05 = 36,142.08/x
  3. Step 3: Cross multiply
    57,669.45x = 79,542.05 × 36,142.08
  4. Step 4: Simplify right side
    57,669.45x = 2,874,814,953.75
  5. Step 5: Solve for x
    x = 2,874,814,953.75/57,669.45
  6. Step 6: Final answer
    x = 49,849.88

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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.