Home / 87,229.84-120,383.40-49,506.52

Finding the Fourth Proportional to 87,229.84, 120,383.40 and 49,506.52

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Solution

The fourth proportional to 87,229.84, 120,383.40 and 49,506.52 is: 68,322.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,229.84 : 120,383.40 = 49,506.52 : x
  2. Step 2: Convert to fraction form
    87,229.84/120,383.40 = 49,506.52/x
  3. Step 3: Cross multiply
    87,229.84x = 120,383.40 × 49,506.52
  4. Step 4: Simplify right side
    87,229.84x = 5,959,763,199.77
  5. Step 5: Solve for x
    x = 5,959,763,199.77/87,229.84
  6. Step 6: Final answer
    x = 68,322.53

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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.