Home / 57,279.30-85,846.05-51,009.90

Finding the Fourth Proportional to 57,279.30, 85,846.05 and 51,009.90

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Solution

The fourth proportional to 57,279.30, 85,846.05 and 51,009.90 is: 76,449.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,279.30 : 85,846.05 = 51,009.90 : x
  2. Step 2: Convert to fraction form
    57,279.30/85,846.05 = 51,009.90/x
  3. Step 3: Cross multiply
    57,279.30x = 85,846.05 × 51,009.90
  4. Step 4: Simplify right side
    57,279.30x = 4,378,998,425.90
  5. Step 5: Solve for x
    x = 4,378,998,425.90/57,279.30
  6. Step 6: Final answer
    x = 76,449.93

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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.