Home / 73,216.20-109,953.90-56,616.60

Finding the Fourth Proportional to 73,216.20, 109,953.90 and 56,616.60

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Solution

The fourth proportional to 73,216.20, 109,953.90 and 56,616.60 is: 85,025.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,216.20 : 109,953.90 = 56,616.60 : x
  2. Step 2: Convert to fraction form
    73,216.20/109,953.90 = 56,616.60/x
  3. Step 3: Cross multiply
    73,216.20x = 109,953.90 × 56,616.60
  4. Step 4: Simplify right side
    73,216.20x = 6,225,215,974.74
  5. Step 5: Solve for x
    x = 6,225,215,974.74/73,216.20
  6. Step 6: Final answer
    x = 85,025.12

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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.