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Finding the Fourth Proportional to 90,250.39, 124,540.60 and 53,952.57

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Solution

The fourth proportional to 90,250.39, 124,540.60 and 53,952.57 is: 74,451.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,250.39 : 124,540.60 = 53,952.57 : x
  2. Step 2: Convert to fraction form
    90,250.39/124,540.60 = 53,952.57/x
  3. Step 3: Cross multiply
    90,250.39x = 124,540.60 × 53,952.57
  4. Step 4: Simplify right side
    90,250.39x = 6,719,285,439.34
  5. Step 5: Solve for x
    x = 6,719,285,439.34/90,250.39
  6. Step 6: Final answer
    x = 74,451.59

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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.