Home / 89,228.44-123,138.69-48,943.90

Finding the Fourth Proportional to 89,228.44, 123,138.69 and 48,943.90

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Solution

The fourth proportional to 89,228.44, 123,138.69 and 48,943.90 is: 67,544.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,228.44 : 123,138.69 = 48,943.90 : x
  2. Step 2: Convert to fraction form
    89,228.44/123,138.69 = 48,943.90/x
  3. Step 3: Cross multiply
    89,228.44x = 123,138.69 × 48,943.90
  4. Step 4: Simplify right side
    89,228.44x = 6,026,887,729.49
  5. Step 5: Solve for x
    x = 6,026,887,729.49/89,228.44
  6. Step 6: Final answer
    x = 67,544.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.