Home / 87,076.71-120,167.21-48,844.76

Finding the Fourth Proportional to 87,076.71, 120,167.21 and 48,844.76

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Solution

The fourth proportional to 87,076.71, 120,167.21 and 48,844.76 is: 67,406.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,076.71 : 120,167.21 = 48,844.76 : x
  2. Step 2: Convert to fraction form
    87,076.71/120,167.21 = 48,844.76/x
  3. Step 3: Cross multiply
    87,076.71x = 120,167.21 × 48,844.76
  4. Step 4: Simplify right side
    87,076.71x = 5,869,538,053.60
  5. Step 5: Solve for x
    x = 5,869,538,053.60/87,076.71
  6. Step 6: Final answer
    x = 67,406.52

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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.