Home / 64,156.97-96,229.25-19,771.80

Finding the Fourth Proportional to 64,156.97, 96,229.25 and 19,771.80

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Solution

The fourth proportional to 64,156.97, 96,229.25 and 19,771.80 is: 29,655.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,156.97 : 96,229.25 = 19,771.80 : x
  2. Step 2: Convert to fraction form
    64,156.97/96,229.25 = 19,771.80/x
  3. Step 3: Cross multiply
    64,156.97x = 96,229.25 × 19,771.80
  4. Step 4: Simplify right side
    64,156.97x = 1,902,625,485.15
  5. Step 5: Solve for x
    x = 1,902,625,485.15/64,156.97
  6. Step 6: Final answer
    x = 29,655.79

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1.5x scale

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.