Home / 88,165.45-121,669.73-49,923.96

Finding the Fourth Proportional to 88,165.45, 121,669.73 and 49,923.96

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Solution

The fourth proportional to 88,165.45, 121,669.73 and 49,923.96 is: 68,895.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,165.45 : 121,669.73 = 49,923.96 : x
  2. Step 2: Convert to fraction form
    88,165.45/121,669.73 = 49,923.96/x
  3. Step 3: Cross multiply
    88,165.45x = 121,669.73 × 49,923.96
  4. Step 4: Simplify right side
    88,165.45x = 6,074,234,733.73
  5. Step 5: Solve for x
    x = 6,074,234,733.73/88,165.45
  6. Step 6: Final answer
    x = 68,895.86

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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.