Home / 87,353.84-120,548.25-49,628.09

Finding the Fourth Proportional to 87,353.84, 120,548.25 and 49,628.09

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Solution

The fourth proportional to 87,353.84, 120,548.25 and 49,628.09 is: 68,486.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,353.84 : 120,548.25 = 49,628.09 : x
  2. Step 2: Convert to fraction form
    87,353.84/120,548.25 = 49,628.09/x
  3. Step 3: Cross multiply
    87,353.84x = 120,548.25 × 49,628.09
  4. Step 4: Simplify right side
    87,353.84x = 5,982,578,797.60
  5. Step 5: Solve for x
    x = 5,982,578,797.60/87,353.84
  6. Step 6: Final answer
    x = 68,486.73

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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.