Home / 65,769.67-90,762.33-41,891.23

Finding the Fourth Proportional to 65,769.67, 90,762.33 and 41,891.23

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Solution

The fourth proportional to 65,769.67, 90,762.33 and 41,891.23 is: 57,810.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,769.67 : 90,762.33 = 41,891.23 : x
  2. Step 2: Convert to fraction form
    65,769.67/90,762.33 = 41,891.23/x
  3. Step 3: Cross multiply
    65,769.67x = 90,762.33 × 41,891.23
  4. Step 4: Simplify right side
    65,769.67x = 3,802,145,641.37
  5. Step 5: Solve for x
    x = 3,802,145,641.37/65,769.67
  6. Step 6: Final answer
    x = 57,810.02

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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.