Home / 87,546.69-120,786.39-51,748.74

Finding the Fourth Proportional to 87,546.69, 120,786.39 and 51,748.74

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Solution

The fourth proportional to 87,546.69, 120,786.39 and 51,748.74 is: 71,396.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,546.69 : 120,786.39 = 51,748.74 : x
  2. Step 2: Convert to fraction form
    87,546.69/120,786.39 = 51,748.74/x
  3. Step 3: Cross multiply
    87,546.69x = 120,786.39 × 51,748.74
  4. Step 4: Simplify right side
    87,546.69x = 6,250,543,491.65
  5. Step 5: Solve for x
    x = 6,250,543,491.65/87,546.69
  6. Step 6: Final answer
    x = 71,396.69

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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.