Home / 48,919.60-73,379.40-40,616.20

Finding the Fourth Proportional to 48,919.60, 73,379.40 and 40,616.20

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Solution

The fourth proportional to 48,919.60, 73,379.40 and 40,616.20 is: 60,924.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,919.60 : 73,379.40 = 40,616.20 : x
  2. Step 2: Convert to fraction form
    48,919.60/73,379.40 = 40,616.20/x
  3. Step 3: Cross multiply
    48,919.60x = 73,379.40 × 40,616.20
  4. Step 4: Simplify right side
    48,919.60x = 2,980,392,386.28
  5. Step 5: Solve for x
    x = 2,980,392,386.28/48,919.60
  6. Step 6: Final answer
    x = 60,924.30

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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.