Home / 65,884.29-90,883.19-41,677.75

Finding the Fourth Proportional to 65,884.29, 90,883.19 and 41,677.75

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Solution

The fourth proportional to 65,884.29, 90,883.19 and 41,677.75 is: 57,491.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,884.29 : 90,883.19 = 41,677.75 : x
  2. Step 2: Convert to fraction form
    65,884.29/90,883.19 = 41,677.75/x
  3. Step 3: Cross multiply
    65,884.29x = 90,883.19 × 41,677.75
  4. Step 4: Simplify right side
    65,884.29x = 3,787,806,872.02
  5. Step 5: Solve for x
    x = 3,787,806,872.02/65,884.29
  6. Step 6: Final answer
    x = 57,491.81

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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.