Home / 65,269.23-90,025.44-55,553.85

Finding the Fourth Proportional to 65,269.23, 90,025.44 and 55,553.85

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Solution

The fourth proportional to 65,269.23, 90,025.44 and 55,553.85 is: 76,625.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,269.23 : 90,025.44 = 55,553.85 : x
  2. Step 2: Convert to fraction form
    65,269.23/90,025.44 = 55,553.85/x
  3. Step 3: Cross multiply
    65,269.23x = 90,025.44 × 55,553.85
  4. Step 4: Simplify right side
    65,269.23x = 5,001,259,789.94
  5. Step 5: Solve for x
    x = 5,001,259,789.94/65,269.23
  6. Step 6: Final answer
    x = 76,625.08

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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.