Home / 57,400.21-86,084.70-36,308.58

Finding the Fourth Proportional to 57,400.21, 86,084.70 and 36,308.58

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Solution

The fourth proportional to 57,400.21, 86,084.70 and 36,308.58 is: 54,452.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,400.21 : 86,084.70 = 36,308.58 : x
  2. Step 2: Convert to fraction form
    57,400.21/86,084.70 = 36,308.58/x
  3. Step 3: Cross multiply
    57,400.21x = 86,084.70 × 36,308.58
  4. Step 4: Simplify right side
    57,400.21x = 3,125,613,216.73
  5. Step 5: Solve for x
    x = 3,125,613,216.73/57,400.21
  6. Step 6: Final answer
    x = 54,452.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.