Home / 57,714.60-86,563.20-18,266.58

Finding the Fourth Proportional to 57,714.60, 86,563.20 and 18,266.58

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Solution

The fourth proportional to 57,714.60, 86,563.20 and 18,266.58 is: 27,397.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,714.60 : 86,563.20 = 18,266.58 : x
  2. Step 2: Convert to fraction form
    57,714.60/86,563.20 = 18,266.58/x
  3. Step 3: Cross multiply
    57,714.60x = 86,563.20 × 18,266.58
  4. Step 4: Simplify right side
    57,714.60x = 1,581,213,617.86
  5. Step 5: Solve for x
    x = 1,581,213,617.86/57,714.60
  6. Step 6: Final answer
    x = 27,397.12

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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.