Home / 57,645.90-79,528.39-34,976.57

Finding the Fourth Proportional to 57,645.90, 79,528.39 and 34,976.57

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Solution

The fourth proportional to 57,645.90, 79,528.39 and 34,976.57 is: 48,253.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,645.90 : 79,528.39 = 34,976.57 : x
  2. Step 2: Convert to fraction form
    57,645.90/79,528.39 = 34,976.57/x
  3. Step 3: Cross multiply
    57,645.90x = 79,528.39 × 34,976.57
  4. Step 4: Simplify right side
    57,645.90x = 2,781,629,814.74
  5. Step 5: Solve for x
    x = 2,781,629,814.74/57,645.90
  6. Step 6: Final answer
    x = 48,253.73

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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.