Home / 83,743.62-115,537.58-51,900.90

Finding the Fourth Proportional to 83,743.62, 115,537.58 and 51,900.90

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Solution

The fourth proportional to 83,743.62, 115,537.58 and 51,900.90 is: 71,605.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,743.62 : 115,537.58 = 51,900.90 : x
  2. Step 2: Convert to fraction form
    83,743.62/115,537.58 = 51,900.90/x
  3. Step 3: Cross multiply
    83,743.62x = 115,537.58 × 51,900.90
  4. Step 4: Simplify right side
    83,743.62x = 5,996,504,385.82
  5. Step 5: Solve for x
    x = 5,996,504,385.82/83,743.62
  6. Step 6: Final answer
    x = 71,605.51

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1.5x scale

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.