Home / 57,078.72-85,581.63-27,437.58

Finding the Fourth Proportional to 57,078.72, 85,581.63 and 27,437.58

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Solution

The fourth proportional to 57,078.72, 85,581.63 and 27,437.58 is: 41,138.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,078.72 : 85,581.63 = 27,437.58 : x
  2. Step 2: Convert to fraction form
    57,078.72/85,581.63 = 27,437.58/x
  3. Step 3: Cross multiply
    57,078.72x = 85,581.63 × 27,437.58
  4. Step 4: Simplify right side
    57,078.72x = 2,348,152,819.66
  5. Step 5: Solve for x
    x = 2,348,152,819.66/57,078.72
  6. Step 6: Final answer
    x = 41,138.85

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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.