Home / 87,597.21-120,884.27-49,871.46

Finding the Fourth Proportional to 87,597.21, 120,884.27 and 49,871.46

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Solution

The fourth proportional to 87,597.21, 120,884.27 and 49,871.46 is: 68,822.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,597.21 : 120,884.27 = 49,871.46 : x
  2. Step 2: Convert to fraction form
    87,597.21/120,884.27 = 49,871.46/x
  3. Step 3: Cross multiply
    87,597.21x = 120,884.27 × 49,871.46
  4. Step 4: Simplify right side
    87,597.21x = 6,028,674,786.58
  5. Step 5: Solve for x
    x = 6,028,674,786.58/87,597.21
  6. Step 6: Final answer
    x = 68,822.68

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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.