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Finding the Fourth Proportional to 69,149.52, 95,391.20 and 40,450.40

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Solution

The fourth proportional to 69,149.52, 95,391.20 and 40,450.40 is: 55,801.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,149.52 : 95,391.20 = 40,450.40 : x
  2. Step 2: Convert to fraction form
    69,149.52/95,391.20 = 40,450.40/x
  3. Step 3: Cross multiply
    69,149.52x = 95,391.20 × 40,450.40
  4. Step 4: Simplify right side
    69,149.52x = 3,858,612,196.48
  5. Step 5: Solve for x
    x = 3,858,612,196.48/69,149.52
  6. Step 6: Final answer
    x = 55,801.00

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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.