Home / 67,372.32-92,984.80-40,529.64

Finding the Fourth Proportional to 67,372.32, 92,984.80 and 40,529.64

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Solution

The fourth proportional to 67,372.32, 92,984.80 and 40,529.64 is: 55,937.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,372.32 : 92,984.80 = 40,529.64 : x
  2. Step 2: Convert to fraction form
    67,372.32/92,984.80 = 40,529.64/x
  3. Step 3: Cross multiply
    67,372.32x = 92,984.80 × 40,529.64
  4. Step 4: Simplify right side
    67,372.32x = 3,768,640,469.47
  5. Step 5: Solve for x
    x = 3,768,640,469.47/67,372.32
  6. Step 6: Final answer
    x = 55,937.52

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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.