Home / 67,308.39-92,881.35-40,435.02

Finding the Fourth Proportional to 67,308.39, 92,881.35 and 40,435.02

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Solution

The fourth proportional to 67,308.39, 92,881.35 and 40,435.02 is: 55,797.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,308.39 : 92,881.35 = 40,435.02 : x
  2. Step 2: Convert to fraction form
    67,308.39/92,881.35 = 40,435.02/x
  3. Step 3: Cross multiply
    67,308.39x = 92,881.35 × 40,435.02
  4. Step 4: Simplify right side
    67,308.39x = 3,755,659,244.88
  5. Step 5: Solve for x
    x = 3,755,659,244.88/67,308.39
  6. Step 6: Final answer
    x = 55,797.79

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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.