Home / 67,118.88-92,616.60-40,262.52

Finding the Fourth Proportional to 67,118.88, 92,616.60 and 40,262.52

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Solution

The fourth proportional to 67,118.88, 92,616.60 and 40,262.52 is: 55,557.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,118.88 : 92,616.60 = 40,262.52 : x
  2. Step 2: Convert to fraction form
    67,118.88/92,616.60 = 40,262.52/x
  3. Step 3: Cross multiply
    67,118.88x = 92,616.60 × 40,262.52
  4. Step 4: Simplify right side
    67,118.88x = 3,728,977,709.83
  5. Step 5: Solve for x
    x = 3,728,977,709.83/67,118.88
  6. Step 6: Final answer
    x = 55,557.81

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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.