Home / 65,963.18-90,979.37-41,441.12

Finding the Fourth Proportional to 65,963.18, 90,979.37 and 41,441.12

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Solution

The fourth proportional to 65,963.18, 90,979.37 and 41,441.12 is: 57,157.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,963.18 : 90,979.37 = 41,441.12 : x
  2. Step 2: Convert to fraction form
    65,963.18/90,979.37 = 41,441.12/x
  3. Step 3: Cross multiply
    65,963.18x = 90,979.37 × 41,441.12
  4. Step 4: Simplify right side
    65,963.18x = 3,770,286,638.40
  5. Step 5: Solve for x
    x = 3,770,286,638.40/65,963.18
  6. Step 6: Final answer
    x = 57,157.45

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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.