Home / 49,793.40-74,690.10-42,276.60

Finding the Fourth Proportional to 49,793.40, 74,690.10 and 42,276.60

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Solution

The fourth proportional to 49,793.40, 74,690.10 and 42,276.60 is: 63,414.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,793.40 : 74,690.10 = 42,276.60 : x
  2. Step 2: Convert to fraction form
    49,793.40/74,690.10 = 42,276.60/x
  3. Step 3: Cross multiply
    49,793.40x = 74,690.10 × 42,276.60
  4. Step 4: Simplify right side
    49,793.40x = 3,157,643,481.66
  5. Step 5: Solve for x
    x = 3,157,643,481.66/49,793.40
  6. Step 6: Final answer
    x = 63,414.90

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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.