Home / 88,777.45-122,512.43-48,490.81

Finding the Fourth Proportional to 88,777.45, 122,512.43 and 48,490.81

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Solution

The fourth proportional to 88,777.45, 122,512.43 and 48,490.81 is: 66,917.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,777.45 : 122,512.43 = 48,490.81 : x
  2. Step 2: Convert to fraction form
    88,777.45/122,512.43 = 48,490.81/x
  3. Step 3: Cross multiply
    88,777.45x = 122,512.43 × 48,490.81
  4. Step 4: Simplify right side
    88,777.45x = 5,940,726,723.31
  5. Step 5: Solve for x
    x = 5,940,726,723.31/88,777.45
  6. Step 6: Final answer
    x = 66,917.07

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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.