Home / 87,698.44-120,994.80-49,453.18

Finding the Fourth Proportional to 87,698.44, 120,994.80 and 49,453.18

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Solution

The fourth proportional to 87,698.44, 120,994.80 and 49,453.18 is: 68,229.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,698.44 : 120,994.80 = 49,453.18 : x
  2. Step 2: Convert to fraction form
    87,698.44/120,994.80 = 49,453.18/x
  3. Step 3: Cross multiply
    87,698.44x = 120,994.80 × 49,453.18
  4. Step 4: Simplify right side
    87,698.44x = 5,983,577,623.46
  5. Step 5: Solve for x
    x = 5,983,577,623.46/87,698.44
  6. Step 6: Final answer
    x = 68,229.01

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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.