Home / 85,555.71-118,067.22-47,829.96

Finding the Fourth Proportional to 85,555.71, 118,067.22 and 47,829.96

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Solution

The fourth proportional to 85,555.71, 118,067.22 and 47,829.96 is: 66,005.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,555.71 : 118,067.22 = 47,829.96 : x
  2. Step 2: Convert to fraction form
    85,555.71/118,067.22 = 47,829.96/x
  3. Step 3: Cross multiply
    85,555.71x = 118,067.22 × 47,829.96
  4. Step 4: Simplify right side
    85,555.71x = 5,647,150,409.91
  5. Step 5: Solve for x
    x = 5,647,150,409.91/85,555.71
  6. Step 6: Final answer
    x = 66,005.53

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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.