Home / 90,592.20-125,018.46-50,308.56

Finding the Fourth Proportional to 90,592.20, 125,018.46 and 50,308.56

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Solution

The fourth proportional to 90,592.20, 125,018.46 and 50,308.56 is: 69,426.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,592.20 : 125,018.46 = 50,308.56 : x
  2. Step 2: Convert to fraction form
    90,592.20/125,018.46 = 50,308.56/x
  3. Step 3: Cross multiply
    90,592.20x = 125,018.46 × 50,308.56
  4. Step 4: Simplify right side
    90,592.20x = 6,289,498,696.02
  5. Step 5: Solve for x
    x = 6,289,498,696.02/90,592.20
  6. Step 6: Final answer
    x = 69,426.49

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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.