Home / 69,202.80-95,504.16-40,137.07

Finding the Fourth Proportional to 69,202.80, 95,504.16 and 40,137.07

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Solution

The fourth proportional to 69,202.80, 95,504.16 and 40,137.07 is: 55,391.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,202.80 : 95,504.16 = 40,137.07 : x
  2. Step 2: Convert to fraction form
    69,202.80/95,504.16 = 40,137.07/x
  3. Step 3: Cross multiply
    69,202.80x = 95,504.16 × 40,137.07
  4. Step 4: Simplify right side
    69,202.80x = 3,833,257,155.21
  5. Step 5: Solve for x
    x = 3,833,257,155.21/69,202.80
  6. Step 6: Final answer
    x = 55,391.65

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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.