Home / 90,766.08-135,857.08-48,540.52

Finding the Fourth Proportional to 90,766.08, 135,857.08 and 48,540.52

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Solution

The fourth proportional to 90,766.08, 135,857.08 and 48,540.52 is: 72,654.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,766.08 : 135,857.08 = 48,540.52 : x
  2. Step 2: Convert to fraction form
    90,766.08/135,857.08 = 48,540.52/x
  3. Step 3: Cross multiply
    90,766.08x = 135,857.08 × 48,540.52
  4. Step 4: Simplify right side
    90,766.08x = 6,594,573,308.88
  5. Step 5: Solve for x
    x = 6,594,573,308.88/90,766.08
  6. Step 6: Final answer
    x = 72,654.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.