Home / 90,936.64-125,496.46-50,650.41

Finding the Fourth Proportional to 90,936.64, 125,496.46 and 50,650.41

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Solution

The fourth proportional to 90,936.64, 125,496.46 and 50,650.41 is: 69,899.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,936.64 : 125,496.46 = 50,650.41 : x
  2. Step 2: Convert to fraction form
    90,936.64/125,496.46 = 50,650.41/x
  3. Step 3: Cross multiply
    90,936.64x = 125,496.46 × 50,650.41
  4. Step 4: Simplify right side
    90,936.64x = 6,356,447,152.55
  5. Step 5: Solve for x
    x = 6,356,447,152.55/90,936.64
  6. Step 6: Final answer
    x = 69,899.74

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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.