Home / 69,403.37-95,759.42-40,725.72

Finding the Fourth Proportional to 69,403.37, 95,759.42 and 40,725.72

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Solution

The fourth proportional to 69,403.37, 95,759.42 and 40,725.72 is: 56,191.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,403.37 : 95,759.42 = 40,725.72 : x
  2. Step 2: Convert to fraction form
    69,403.37/95,759.42 = 40,725.72/x
  3. Step 3: Cross multiply
    69,403.37x = 95,759.42 × 40,725.72
  4. Step 4: Simplify right side
    69,403.37x = 3,899,871,122.65
  5. Step 5: Solve for x
    x = 3,899,871,122.65/69,403.37
  6. Step 6: Final answer
    x = 56,191.38

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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.