Home / 89,814.58-123,943.37-49,530.02

Finding the Fourth Proportional to 89,814.58, 123,943.37 and 49,530.02

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Solution

The fourth proportional to 89,814.58, 123,943.37 and 49,530.02 is: 68,351.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,814.58 : 123,943.37 = 49,530.02 : x
  2. Step 2: Convert to fraction form
    89,814.58/123,943.37 = 49,530.02/x
  3. Step 3: Cross multiply
    89,814.58x = 123,943.37 × 49,530.02
  4. Step 4: Simplify right side
    89,814.58x = 6,138,917,594.97
  5. Step 5: Solve for x
    x = 6,138,917,594.97/89,814.58
  6. Step 6: Final answer
    x = 68,351.01

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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.