Home / 48,987.20-73,429.60-26,766.40

Finding the Fourth Proportional to 48,987.20, 73,429.60 and 26,766.40

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Solution

The fourth proportional to 48,987.20, 73,429.60 and 26,766.40 is: 40,121.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,987.20 : 73,429.60 = 26,766.40 : x
  2. Step 2: Convert to fraction form
    48,987.20/73,429.60 = 26,766.40/x
  3. Step 3: Cross multiply
    48,987.20x = 73,429.60 × 26,766.40
  4. Step 4: Simplify right side
    48,987.20x = 1,965,446,045.44
  5. Step 5: Solve for x
    x = 1,965,446,045.44/48,987.20
  6. Step 6: Final answer
    x = 40,121.62

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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.