Home / 64,060.20-96,090.30-40,789.80

Finding the Fourth Proportional to 64,060.20, 96,090.30 and 40,789.80

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Solution

The fourth proportional to 64,060.20, 96,090.30 and 40,789.80 is: 61,184.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,060.20 : 96,090.30 = 40,789.80 : x
  2. Step 2: Convert to fraction form
    64,060.20/96,090.30 = 40,789.80/x
  3. Step 3: Cross multiply
    64,060.20x = 96,090.30 × 40,789.80
  4. Step 4: Simplify right side
    64,060.20x = 3,919,504,118.94
  5. Step 5: Solve for x
    x = 3,919,504,118.94/64,060.20
  6. Step 6: Final answer
    x = 61,184.70

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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.