Home / 73,311.35-109,983.02-28,332.05

Finding the Fourth Proportional to 73,311.35, 109,983.02 and 28,332.05

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Solution

The fourth proportional to 73,311.35, 109,983.02 and 28,332.05 is: 42,504.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,311.35 : 109,983.02 = 28,332.05 : x
  2. Step 2: Convert to fraction form
    73,311.35/109,983.02 = 28,332.05/x
  3. Step 3: Cross multiply
    73,311.35x = 109,983.02 × 28,332.05
  4. Step 4: Simplify right side
    73,311.35x = 3,116,043,730.22
  5. Step 5: Solve for x
    x = 3,116,043,730.22/73,311.35
  6. Step 6: Final answer
    x = 42,504.25

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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.