Home / 57,862.85-86,654.12-40,043.58

Finding the Fourth Proportional to 57,862.85, 86,654.12 and 40,043.58

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Solution

The fourth proportional to 57,862.85, 86,654.12 and 40,043.58 is: 59,968.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,862.85 : 86,654.12 = 40,043.58 : x
  2. Step 2: Convert to fraction form
    57,862.85/86,654.12 = 40,043.58/x
  3. Step 3: Cross multiply
    57,862.85x = 86,654.12 × 40,043.58
  4. Step 4: Simplify right side
    57,862.85x = 3,469,940,886.62
  5. Step 5: Solve for x
    x = 3,469,940,886.62/57,862.85
  6. Step 6: Final answer
    x = 59,968.37

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1.5x scale

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.