Home / 87,636.78-120,797.08-68,483.27

Finding the Fourth Proportional to 87,636.78, 120,797.08 and 68,483.27

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Solution

The fourth proportional to 87,636.78, 120,797.08 and 68,483.27 is: 94,396.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,636.78 : 120,797.08 = 68,483.27 : x
  2. Step 2: Convert to fraction form
    87,636.78/120,797.08 = 68,483.27/x
  3. Step 3: Cross multiply
    87,636.78x = 120,797.08 × 68,483.27
  4. Step 4: Simplify right side
    87,636.78x = 8,272,579,044.85
  5. Step 5: Solve for x
    x = 8,272,579,044.85/87,636.78
  6. Step 6: Final answer
    x = 94,396.20

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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.