Home / 65,371.23-90,174.75-41,456.79

Finding the Fourth Proportional to 65,371.23, 90,174.75 and 41,456.79

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Solution

The fourth proportional to 65,371.23, 90,174.75 and 41,456.79 is: 57,186.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,371.23 : 90,174.75 = 41,456.79 : x
  2. Step 2: Convert to fraction form
    65,371.23/90,174.75 = 41,456.79/x
  3. Step 3: Cross multiply
    65,371.23x = 90,174.75 × 41,456.79
  4. Step 4: Simplify right side
    65,371.23x = 3,738,355,674.05
  5. Step 5: Solve for x
    x = 3,738,355,674.05/65,371.23
  6. Step 6: Final answer
    x = 57,186.56

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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.