Home / 64,108.48-96,171.82-19,738.92

Finding the Fourth Proportional to 64,108.48, 96,171.82 and 19,738.92

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Solution

The fourth proportional to 64,108.48, 96,171.82 and 19,738.92 is: 29,611.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,108.48 : 96,171.82 = 19,738.92 : x
  2. Step 2: Convert to fraction form
    64,108.48/96,171.82 = 19,738.92/x
  3. Step 3: Cross multiply
    64,108.48x = 96,171.82 × 19,738.92
  4. Step 4: Simplify right side
    64,108.48x = 1,898,327,861.23
  5. Step 5: Solve for x
    x = 1,898,327,861.23/64,108.48
  6. Step 6: Final answer
    x = 29,611.18

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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.