Home / 57,518.10-85,815.15-51,203.14

Finding the Fourth Proportional to 57,518.10, 85,815.15 and 51,203.14

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Solution

The fourth proportional to 57,518.10, 85,815.15 and 51,203.14 is: 76,393.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,518.10 : 85,815.15 = 51,203.14 : x
  2. Step 2: Convert to fraction form
    57,518.10/85,815.15 = 51,203.14/x
  3. Step 3: Cross multiply
    57,518.10x = 85,815.15 × 51,203.14
  4. Step 4: Simplify right side
    57,518.10x = 4,394,004,733.02
  5. Step 5: Solve for x
    x = 4,394,004,733.02/57,518.10
  6. Step 6: Final answer
    x = 76,393.43

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.