Home / 67,044.42-92,518.31-40,201.74

Finding the Fourth Proportional to 67,044.42, 92,518.31 and 40,201.74

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Solution

The fourth proportional to 67,044.42, 92,518.31 and 40,201.74 is: 55,476.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,044.42 : 92,518.31 = 40,201.74 : x
  2. Step 2: Convert to fraction form
    67,044.42/92,518.31 = 40,201.74/x
  3. Step 3: Cross multiply
    67,044.42x = 92,518.31 × 40,201.74
  4. Step 4: Simplify right side
    67,044.42x = 3,719,397,043.86
  5. Step 5: Solve for x
    x = 3,719,397,043.86/67,044.42
  6. Step 6: Final answer
    x = 55,476.61

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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.