Home / 90,620.28-125,072.37-52,374.55

Finding the Fourth Proportional to 90,620.28, 125,072.37 and 52,374.55

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Solution

The fourth proportional to 90,620.28, 125,072.37 and 52,374.55 is: 72,286.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,620.28 : 125,072.37 = 52,374.55 : x
  2. Step 2: Convert to fraction form
    90,620.28/125,072.37 = 52,374.55/x
  3. Step 3: Cross multiply
    90,620.28x = 125,072.37 × 52,374.55
  4. Step 4: Simplify right side
    90,620.28x = 6,550,608,797.06
  5. Step 5: Solve for x
    x = 6,550,608,797.06/90,620.28
  6. Step 6: Final answer
    x = 72,286.34

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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.