Home / 57,329.25-79,121.64-34,668.40

Finding the Fourth Proportional to 57,329.25, 79,121.64 and 34,668.40

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Solution

The fourth proportional to 57,329.25, 79,121.64 and 34,668.40 is: 47,846.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,329.25 : 79,121.64 = 34,668.40 : x
  2. Step 2: Convert to fraction form
    57,329.25/79,121.64 = 34,668.40/x
  3. Step 3: Cross multiply
    57,329.25x = 79,121.64 × 34,668.40
  4. Step 4: Simplify right side
    57,329.25x = 2,743,020,664.18
  5. Step 5: Solve for x
    x = 2,743,020,664.18/57,329.25
  6. Step 6: Final answer
    x = 47,846.79

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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.