Home / 85,662.41-118,267.79-55,047.92

Finding the Fourth Proportional to 85,662.41, 118,267.79 and 55,047.92

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Solution

The fourth proportional to 85,662.41, 118,267.79 and 55,047.92 is: 76,000.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,662.41 : 118,267.79 = 55,047.92 : x
  2. Step 2: Convert to fraction form
    85,662.41/118,267.79 = 55,047.92/x
  3. Step 3: Cross multiply
    85,662.41x = 118,267.79 × 55,047.92
  4. Step 4: Simplify right side
    85,662.41x = 6,510,394,975.92
  5. Step 5: Solve for x
    x = 6,510,394,975.92/85,662.41
  6. Step 6: Final answer
    x = 76,000.61

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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.