Home / 67,251.36-92,802.60-40,395

Finding the Fourth Proportional to 67,251.36, 92,802.60 and 40,395

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Solution

The fourth proportional to 67,251.36, 92,802.60 and 40,395 is: 55,742.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,251.36 : 92,802.60 = 40,395 : x
  2. Step 2: Convert to fraction form
    67,251.36/92,802.60 = 40,395/x
  3. Step 3: Cross multiply
    67,251.36x = 92,802.60 × 40,395
  4. Step 4: Simplify right side
    67,251.36x = 3,748,761,027
  5. Step 5: Solve for x
    x = 3,748,761,027/67,251.36
  6. Step 6: Final answer
    x = 55,742.53

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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.