Home / 67,099.45-92,600.81-40,243.09

Finding the Fourth Proportional to 67,099.45, 92,600.81 and 40,243.09

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Solution

The fourth proportional to 67,099.45, 92,600.81 and 40,243.09 is: 55,537.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,099.45 : 92,600.81 = 40,243.09 : x
  2. Step 2: Convert to fraction form
    67,099.45/92,600.81 = 40,243.09/x
  3. Step 3: Cross multiply
    67,099.45x = 92,600.81 × 40,243.09
  4. Step 4: Simplify right side
    67,099.45x = 3,726,542,529.69
  5. Step 5: Solve for x
    x = 3,726,542,529.69/67,099.45
  6. Step 6: Final answer
    x = 55,537.60

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1.5x scale

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.