Home / 85,279.02-127,919.34-32,676

Finding the Fourth Proportional to 85,279.02, 127,919.34 and 32,676

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Solution

The fourth proportional to 85,279.02, 127,919.34 and 32,676 is: 49,014.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,279.02 : 127,919.34 = 32,676 : x
  2. Step 2: Convert to fraction form
    85,279.02/127,919.34 = 32,676/x
  3. Step 3: Cross multiply
    85,279.02x = 127,919.34 × 32,676
  4. Step 4: Simplify right side
    85,279.02x = 4,179,892,353.84
  5. Step 5: Solve for x
    x = 4,179,892,353.84/85,279.02
  6. Step 6: Final answer
    x = 49,014.31

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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.