Home / 65,619.18-90,553.68-37,324.80

Finding the Fourth Proportional to 65,619.18, 90,553.68 and 37,324.80

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Solution

The fourth proportional to 65,619.18, 90,553.68 and 37,324.80 is: 51,507.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,619.18 : 90,553.68 = 37,324.80 : x
  2. Step 2: Convert to fraction form
    65,619.18/90,553.68 = 37,324.80/x
  3. Step 3: Cross multiply
    65,619.18x = 90,553.68 × 37,324.80
  4. Step 4: Simplify right side
    65,619.18x = 3,379,897,995.26
  5. Step 5: Solve for x
    x = 3,379,897,995.26/65,619.18
  6. Step 6: Final answer
    x = 51,507.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.