Home / 90,486.44-124,871.39-52,767.98

Finding the Fourth Proportional to 90,486.44, 124,871.39 and 52,767.98

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Solution

The fourth proportional to 90,486.44, 124,871.39 and 52,767.98 is: 72,819.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,486.44 : 124,871.39 = 52,767.98 : x
  2. Step 2: Convert to fraction form
    90,486.44/124,871.39 = 52,767.98/x
  3. Step 3: Cross multiply
    90,486.44x = 124,871.39 × 52,767.98
  4. Step 4: Simplify right side
    90,486.44x = 6,589,211,010.09
  5. Step 5: Solve for x
    x = 6,589,211,010.09/90,486.44
  6. Step 6: Final answer
    x = 72,819.87

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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.