Home / 85,366.93-127,942.73-43,257.61

Finding the Fourth Proportional to 85,366.93, 127,942.73 and 43,257.61

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Solution

The fourth proportional to 85,366.93, 127,942.73 and 43,257.61 is: 64,831.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,366.93 : 127,942.73 = 43,257.61 : x
  2. Step 2: Convert to fraction form
    85,366.93/127,942.73 = 43,257.61/x
  3. Step 3: Cross multiply
    85,366.93x = 127,942.73 × 43,257.61
  4. Step 4: Simplify right side
    85,366.93x = 5,534,496,221.94
  5. Step 5: Solve for x
    x = 5,534,496,221.94/85,366.93
  6. Step 6: Final answer
    x = 64,831.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.