Home / 69,320.43-95,655-51,180.80

Finding the Fourth Proportional to 69,320.43, 95,655 and 51,180.80

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Solution

The fourth proportional to 69,320.43, 95,655 and 51,180.80 is: 70,624.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,320.43 : 95,655 = 51,180.80 : x
  2. Step 2: Convert to fraction form
    69,320.43/95,655 = 51,180.80/x
  3. Step 3: Cross multiply
    69,320.43x = 95,655 × 51,180.80
  4. Step 4: Simplify right side
    69,320.43x = 4,895,698,945.73
  5. Step 5: Solve for x
    x = 4,895,698,945.73/69,320.43
  6. Step 6: Final answer
    x = 70,624.19

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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.