Home / 90,614.28-125,043.38-50,330.60

Finding the Fourth Proportional to 90,614.28, 125,043.38 and 50,330.60

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Solution

The fourth proportional to 90,614.28, 125,043.38 and 50,330.60 is: 69,453.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,614.28 : 125,043.38 = 50,330.60 : x
  2. Step 2: Convert to fraction form
    90,614.28/125,043.38 = 50,330.60/x
  3. Step 3: Cross multiply
    90,614.28x = 125,043.38 × 50,330.60
  4. Step 4: Simplify right side
    90,614.28x = 6,293,508,341.43
  5. Step 5: Solve for x
    x = 6,293,508,341.43/90,614.28
  6. Step 6: Final answer
    x = 69,453.82

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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.