Home / 73,187.10-100,992.69-49,345.92

Finding the Fourth Proportional to 73,187.10, 100,992.69 and 49,345.92

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Solution

The fourth proportional to 73,187.10, 100,992.69 and 49,345.92 is: 68,093.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,187.10 : 100,992.69 = 49,345.92 : x
  2. Step 2: Convert to fraction form
    73,187.10/100,992.69 = 49,345.92/x
  3. Step 3: Cross multiply
    73,187.10x = 100,992.69 × 49,345.92
  4. Step 4: Simplify right side
    73,187.10x = 4,983,577,201.32
  5. Step 5: Solve for x
    x = 4,983,577,201.32/73,187.10
  6. Step 6: Final answer
    x = 68,093.66

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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.