Home / 67,238.86-92,789.09-40,033.60

Finding the Fourth Proportional to 67,238.86, 92,789.09 and 40,033.60

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Solution

The fourth proportional to 67,238.86, 92,789.09 and 40,033.60 is: 55,246.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,238.86 : 92,789.09 = 40,033.60 : x
  2. Step 2: Convert to fraction form
    67,238.86/92,789.09 = 40,033.60/x
  3. Step 3: Cross multiply
    67,238.86x = 92,789.09 × 40,033.60
  4. Step 4: Simplify right side
    67,238.86x = 3,714,681,909.02
  5. Step 5: Solve for x
    x = 3,714,681,909.02/67,238.86
  6. Step 6: Final answer
    x = 55,246.06

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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.