Home / 69,640.97-96,106.50-40,962.71

Finding the Fourth Proportional to 69,640.97, 96,106.50 and 40,962.71

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Solution

The fourth proportional to 69,640.97, 96,106.50 and 40,962.71 is: 56,529.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,640.97 : 96,106.50 = 40,962.71 : x
  2. Step 2: Convert to fraction form
    69,640.97/96,106.50 = 40,962.71/x
  3. Step 3: Cross multiply
    69,640.97x = 96,106.50 × 40,962.71
  4. Step 4: Simplify right side
    69,640.97x = 3,936,782,928.88
  5. Step 5: Solve for x
    x = 3,936,782,928.88/69,640.97
  6. Step 6: Final answer
    x = 56,529.70

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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.